[#989] updated version and fixed some typos

[#974] slightly changed documentation about netconf

Merge branch '974-1-7-1-release' of https://gitlab.isc.org/isc-projects/kea into 974-1-7-1-release

[#974] parsers regenerated for 1.7.1

[#974] copy right dates, mes files Changelog prepared for release

[#971] copy right dates, mes files Changelog prepared for release

[#971] bumped up lib versions for 1.7.1

[fix-904-2] Fixed rebase failures

[fix-904] Removed extra argument

[904-add-ability-to-force-a-cb-update-remotely] Fixed typo

[904-add-ability-to-force-a-cb-update-remotely] Updated Changelog entry

[904-add-ability-to-force-a-cb-update-remotely] Used "on demand" instead of pull at the exception of the command name

[904-add-ability-to-force-a-cb-update-remotely] Added ChangeLog entry for config-backend-pull

[904-add-ability-to-force-a-cb-update-remotely] Addressed last comments

[904-add-ability-to-force-a-cb-update-remotely] Addressed comments for the v4 part

[904-add-ability-to-force-a-cb-update-remotely] Addressed comments but still command to update

[904-add-ability-to-force-a-cb-update-remotely] Added server-update command

[#752] AUTHORS, ChangeLog updated.

[#752] Updated alloc_engine_messages.mes

Add log message containing classes during allocation failure

[965-fix-doxygen-warnings] Fixed trivial doxygen warnings

[393-global-search-through-leases-by-mac-or-hostname-w-o-specifying-a-subnet-id] Added ChangeLog entry for leases by hostname and co (2)

[393-global-search-through-leases-by-mac-or-hostname-w-o-specifying-a-subnet-id] Added ChangeLog entry for leases by hostname and co

[393-global-search-through-leases-by-mac-or-hostname-w-o-specifying-a-subnet-id] Addressed comments

[393-global-search-through-leases-by-mac-or-hostname-w-o-specifying-a-subnet-id] Added unit tests for new commands

[393-global-search-through-leases-by-mac-or-hostname-w-o-specifying-a-subnet-id] Added new command docs

[393-global-search-through-leases-by-mac-or-hostname-w-o-specifying-a-subnet-id] Implemented new commands

[393-global-search-through-leases-by-mac-or-hostname-w-o-specifying-a-subnet-id] Added get leases 4 and 4 by hostname to the API

[393-global-search-through-leases-by-mac-or-hostname-w-o-specifying-a-subnet-id] Moves lease hostnames to lower case

[869] ChangeLog updated.

[869-add-ability-to-retrieve-configure-command-line-from-binaries] Moved configure arguments block

[869-add-ability-to-retrieve-configure-command-line-from-binaries] Added configure arguments to config.report

[#795] ChangeLog updated.

[#795] unit tests tweaked for new configuration

[#795] sockets paths unified between examples and default configs

[remove-unused-variable-20191025-2] [fix2] Removed unused variables

[remove-unused-variable-20191025] [fix] Removed unused variables

[219-allow-an-option-value-to-be-set-from-an-expression] Added ChangeLog for options from expressions

[219-allow-an-option-value-to-be-set-from-an-expression] Addressed comments

[219-allow-an-option-value-to-be-set-from-an-expression] Added new tests and an example

[219-allow-an-option-value-to-be-set-from-an-expression] Checkout: adding call tests

[219-allow-an-option-value-to-be-set-from-an-expression] Added docs

[219-allow-an-option-value-to-be-set-from-an-expression] Checkpoint: code and test done, todo docs

[219-allow-an-option-value-to-be-set-from-an-expression] Checkpoint: to do add action logs and doc

[219-allow-an-option-value-to-be-set-from-an-expression] Checkpoint: almost finished

[219-allow-an-option-value-to-be-set-from-an-expression] Checkpoint: wrote flex option code, to do tests, to finish doc

[677-kea4-not-honouring-the-p-switch] Added ChangeLog for -p switch improvement

[677-kea4-not-honouring-the-p-switch] Improved -p support

[962-implement-the-multi_threading_mgr-h-idea] Added ChangeLog entry for MultiThreadingMgr

[962-implement-the-multi_threading_mgr-h-idea] Fixed doxygen

[962-implement-the-multi_threading_mgr-h-idea] Addressed comments

[962-implement-the-multi_threading_mgr-h-idea] Merged into one class

[962-implement-the-multi_threading_mgr-h-idea] Fixed trivial typo in comment

[962-implement-the-multi_threading_mgr-h-idea] Added the Multi Threading Manager

[#900,!561] Updated ChangeLog

[#900,!561] Addressed review comments

src/lib/dhcp/libdhcp++.cc
    Cleaned up necessary exception decls

src/lib/dhcp/option.h
    Added commentary for SkipThisOptionError

src/lib/dhcp/option_definition.cc
    Cleaned up unnecessary exception decls

src/lib/dhcp/option_string.cc
    Replaced NULL with nul

src/lib/testutils/gtest_utils.h
    Added emissions of exception type name

[#900,!561] kea-dhcp4/6 now quietly drop empty or all-null string options

src/lib/dhcp/option.h
    class SkipThisOptionError - new exception type

src/lib/dhcp/libdhcp++.cc
    LibDHCP::unpackOptions4()
    LibDHCP::unpackOptions6() - explicitly catches and handles
    SkipThisOptionError expceptions

src/lib/dhcp/option_definition.cc
    OptionDefinition::optionFactory() - now rethrows SkipThisOptionError

src/lib/dhcp/option_int.h
    OptionInt::unpack() - altered ambiguous exception text

src/lib/dhcp/option_int_array.h
    OptionIntArray::unpack() - altered ambiguous exception text

src/lib/dhcp/option_string.cc
    OptionString::unpack() - now throws SkipThisOptionError if option, once
    trimmed, is empty

src/lib/dhcp/tests/option_string_unittest.cc
    Updated tests

src/lib/dhcp/tests/pkt4_unittest.cc
    TEST_F(Pkt4Test, testSkipThisOptionError) - new test

src/lib/dhcp/tests/pkt6_unittest.cc
    TEST_F(Pkt6Test, testSkipThisOptionError) - new test

src/lib/dhcpsrv/tests/cfg_option_unittest.cc
    Updated expected exception text

src/lib/testutils/gtest_utils.h
    Added two macros to emit exception info on throws.
    #define EXPECT_NO_THROW_LOG(statement)
    #define ASSERT_NO_THROW_LOG(statement)

[919-bind1st-and-bind2nd-were-deprecated] Added ChangeLog entry for bind1st/bind2nd

[919-bind1st-and-bind2nd-were-deprecated] Updated bind1st/bind2nd with bind or lambda

[868-the-examples-directory-in-main-dir-not-doc-examples-is-useless-and-should-be-removed] Removes topdir examples

[master] Fixed ChangeLog last inserted entry

[937-doc-should-mention-rfc8357-relay-port-as-supported] Added RFC 8357 support in doc

[497-kea-uses-deprecated-header] Fixed boost/{integer,math}/common_factor.h

[497-kea-uses-deprecated-header] Revert "[497-kea-uses-deprecated-header] Reverted the -isystem"

This reverts commit 9c1ab2136422d20d916338d210708074a412d502.

[497-kea-uses-deprecated-header] Reverted the -isystem

[#754,!558] Addressed belated review comment

[#754,!558] Updated ChangeLog

[#754,!558] Update v6 lease data for dynamic leases with HRs

src/lib/dhcpsrv/alloc_engine.cc
    AllocEngine::allocateLeases6(ClientContext6& ctx) - add call to
    updateLeaseData() to case 3.

src/lib/dhcpsrv/tests/alloc_engine6_unittest.cc
    TEST_F(AllocEngine6Test, hostDynamicAddress)
    TEST_F(AllocEngine6Test, globalHostDynamicAddress) - revamped to
    verify assignment and update for REQUESTs

[#955] revert changes to hammer that removed repository_url

[392-search-of-reservations-by-hostname] Added ChangeLog entry for HR by hostname

[392-search-of-reservations-by-hostname] Added a reference in reservation-get-by-hostname to admin/MySQL

[392-search-of-reservations-by-hostname] Addressed some comments

[392-search-of-reservations-by-hostname] Addressed comments

[392-search-of-reservations-by-hostname] Finished core stuff

[392-search-of-reservations-by-hostname] Checkpoint: did tests, todo doc and hook

[392-search-of-reservations-by-hostname] Checkpoint: updated shcemas, todo tests

[392-search-of-reservations-by-hostname] Checkpont: add new methods - tests to write

[#934,!531] kea-centos-8 for virtualbox and lxc uploaded and available

[#934,!531] lxc-centos-8 available

[#934,!531] added support for centos8 rpm

[#35,!517] Updated ChangeLog

[#35,!517] Addressed final review comments

src/lib/dhcpsrv/parsers/simple_parser4.cc
src/lib/dhcpsrv/parsers/simple_parser6.cc
    Fixed indentations in defaults list

[35-local-d2-dhcp-ddns-client-config] Moved = sign

[35-local-d2-dhcp-ddns-client-config] Caught a dhcp4 reference in dhcp6 doc

[35-local-d2-dhcp-ddns-client-config] Updated kea6/with-ddns.json example

[35-local-d2-dhcp-ddns-client-config] Updated enable-updates description

[#35,!517] Addressed review comments

Addressed a myriad of minor typos and wording issues.

modified:
ChangeLog
doc/examples/kea4/all-keys.json
doc/examples/kea6/all-keys.json
doc/sphinx/arm/dhcp4-srv.rst
doc/sphinx/arm/dhcp6-srv.rst
src/bin/dhcp4/dhcp4_srv.cc
src/bin/dhcp4/tests/config_parser_unittest.cc
src/bin/dhcp4/tests/fqdn_unittest.cc
src/bin/dhcp6/tests/config_parser_unittest.cc
src/bin/dhcp6/tests/d2_unittest.cc
src/bin/dhcp6/tests/fqdn_unittest.cc
src/lib/dhcpsrv/alloc_engine.cc
src/lib/dhcpsrv/alloc_engine.h
src/lib/dhcpsrv/d2_client_cfg.h
src/lib/dhcpsrv/parsers/base_network_parser.cc
src/lib/dhcpsrv/srv_config.h

[35-local-d2-dhcp-ddns-client-config] Disabled YANG checks with with-ddnes.json examples

[#35,!517] Updated ARM and example confings

Updated:
    doc/examples/kea4/all-keys.json
    doc/examples/kea4/with-ddns.json
    doc/examples/kea6/all-keys.json
    doc/sphinx/arm/dhcp4-srv.rst
    doc/sphinx/arm/dhcp6-srv.rst

Added ChangeLogEntry

[#35,!517] Removed ddns params from INHERIT_TO_SUBNETX lists

src/bin/dhcp4/tests/get_config_unittest.cc
src/bin/dhcp6/tests/get_config_unittest.cc
    regenerated tests

src/lib/dhcpsrv/parsers/simple_parser4.cc
    Removed DDNS params from INHERIT_TO_SUBNET4 list

src/lib/dhcpsrv/parsers/simple_parser6.cc
    Removed DDNS params from INHERIT_TO_SUBNET6 list

[#35,!517] Added v6 scope test

src/bin/dhcp6/tests/fqdn_unittest.cc
    TEST_F(FqdnDhcpv6SrvTest, ddnsScopeTest)  - new test

[#35,!517] Rework kea-dhcp6 parsing and server

src/bin/dhcp6/ctrl_dhcp6_srv.cc
    Removed setting D2ClientCfg fetch function

src/bin/dhcp6/dhcp6_lexer.ll
src/bin/dhcp6/dhcp6_parser.yy
    ddns-send-updates
    ddns-override-no-update
    ddns-override-client-update
    ddns-replace-client-name
    ddns-generated-prefix
    ddns-qualifying-suffix
    - added to DHCP4,SHARED_NETWORK,SUBNET4

    hostname-char-set
    hostname-char-replacement
    - added to SHARED_NETWORK,SUBNET4

src/bin/dhcp6/dhcp6_srv.cc
    Dhcpv6Srv::processClientFqdn()
    Dhcpv6Srv::createNameChangeRequests()
    Dhcpv6Srv::updateReservedFqdn()
    - use cxt.getDdnsParams()

src/bin/dhcp6/json_config_parser.cc
    configureDhcp6Server()
    - use SrvConfig::moveDdnsParams() to move dhcp-ddns parameters
    - handle new "ddns-" globals

src/bin/dhcp6/tests/config_parser_unittest.cc
src/bin/dhcp6/tests/fqdn_unittest.cc
src/bin/dhcp6/tests/get_config_unittest.cc
    Updated tests

[#35,!517] Rework kea-dhcp4 parsing and server

src/bin/dhcp4/ctrl_dhcp4_srv.cc
    Removed setting D2ClientCfg fetch function

src/bin/dhcp4/dhcp4_lexer.ll
src/bin/dhcp4/dhcp4_parser.yy
    ddns-send-updates
    ddns-override-no-update
    ddns-override-client-update
    ddns-replace-client-name
    ddns-generated-prefix
    ddns-qualifying-suffix
        - added to DHCP4,SHARED_NETWORK,SUBNET4

    hostname-char-set
    hostname-char-replacement
        - added to SHARED_NETWORK,SUBNET4

src/bin/dhcp4/dhcp4_srv.cc

    Dhcpv4Srv::processClientFqdnOption()
    Dhcpv4Srv::processHostnameOption()
    Dhcpv4Srv::assignLease()
        Use scoped DdnsParams from context to make decisions, pass
        into D2ClientMgr functions, and supply hostname sanitizer

src/bin/dhcp4/json_config_parser.cc
    configureDhcp4Server()
    - use SrvConfig::moveDdnsParams() to move dhcp-ddns parameters
    - handle new "ddns-" globals

src/bin/dhcp4/tests/config_parser_unittest.cc
src/bin/dhcp4/tests/d2_unittest.cc
src/bin/dhcp4/tests/dhcp4_test_utils.cc
src/bin/dhcp4/tests/fqdn_unittest.cc
src/bin/dhcp4/tests/get_config_unittest.cc
    Updated and new tests

[#35,!517] Added getDdnsParams() to AllocEngine::ClientContext4/6

src/lib/dhcpsrv/alloc_engine.*
    AllocEngine::ClientContext6::getDdnsParams()
    AllocEngine::ClientContext4::getDdnsParams() - new
    methods which return a DdnsParams instance scoped by
    currently selected subnet

    Replaced direct references to context::ddns_params_ with
    new getter methods.

src/lib/dhcpsrv/parsers/simple_parser4.cc
src/lib/dhcpsrv/parsers/simple_parser6.cc
    Removed global defaults for hostname-char-set/replacement

[#35,!517] Changed moveDdnsParams to modify element map instead of SrvConfig

Moving the parameters needs to be done before defaults are applied to the
config, so moveDdnsParams was changed to modify a mutable top level
element map instead of SrvConfig contents.

src/lib/dhcpsrv/parsers/simple_parser4.cc
src/lib/dhcpsrv/parsers/simple_parser6.cc
    Change ddns-send-updates default to true.

src/lib/dhcpsrv/srv_config.*
    SrvConfig::getConfiguredGlobal() - new method to fetch a
    global by name

    SrvConfig::moveDdnsParams() - changed to accept/modify
    a top-level Element map

src/lib/dhcpsrv/tests/srv_config_unittest.cc
    updated unit tests accordingly

[#35,!517]  Added function to move of DDNS cfg elements to global scope to SrvConfig

src/lib/dhcpsrv/dhcpsrv_messages.*
    DHCPSRV_CFGMGR_DDNS_PARAMETER_IGNORED
    DHCPSRV_CFGMGR_DDNS_PARAMETER_MOVED

src/lib/dhcpsrv/srv_config.*
    SrvConfig::moveDdnsParams() - new method to move
    parameters from dhcp-ddns to configured globals.

src/lib/dhcpsrv/tests/srv_config_unittest.cc
    TEST_F(SrvConfigTest, moveDdnsParamsTest) - new test

[#35,!517] Added hostname-char-set to hostname-char-replacement network/subnet scopes

src/lib/dhcpsrv/d2_client_cfg.*
    Added hostname-char-set and hostname-char-replacement to DdnsParms
    DdnsParams::getHostnameSanitizer()  - new function to return a sanitizer

src/lib/dhcpsrv/d2_client_mgr.h
    D2ClientMgr::adjustDomainName() - now gets sanitizer from ddns_params

src/lib/dhcpsrv/network.*
src/lib/dhcpsrv/parsers/base_network_parser.cc
src/lib/dhcpsrv/parsers/simple_parser4.cc
src/lib/dhcpsrv/parsers/simple_parser6.cc
    Added hostname-char-set and hostname-char-replacement to networks and subnets

[#35,!517] Added fetch of scoped DDNS parameters to SrvConfig

src/lib/dhcpsrv/srv_config.*
    SrvConfig::getDdnsParams() - new method to fetch
    scoped DDNS parameters based on a given subnet

src/lib/dhcpsrv/tests/srv_config_unittest.cc
    TEST_F(SrvConfigTest, getDdnsParamsTest4)
    TEST_F(SrvConfigTest, getDdnsParamsTest6) - new tests

[#35,!517] Added DDDNS parameters to networks,subnets, and their parsers

src/lib/dhcpsrv/network.*
    Network - added DDNS parameters: Optional members, getters, setters
    Network::toElement() - added DDNS parameters

src/lib/dhcpsrv/parsers/base_network_parser.*
    BaseNetworkParser::parseDdnsParams() - new method to parse DDNS parameters

    BaseNetworkParser::parseLifetime() - fixed unitialized variables warning

src/lib/dhcpsrv/parsers/dhcp_parsers.cc
    Subnet4ConfigParser::initSubnet()
    Subnet6ConfigParser::initSubnet()  - added call to parseDdnsParms().

src/lib/dhcpsrv/parsers/shared_network_parser.cc
    SharedNetwork4Parser::parse()
    SharedNetwork6Parser::parse() - added call to parseDdnsParms().

src/lib/dhcpsrv/parsers/simple_parser4.cc
    SimpleParser4::GLOBAL4_PARAMETERS
    SimpleParser4::GLOBAL4_DEFAULTS
    SimpleParser4::SUBNET4_PARAMETERS
    SimpleParser4::INHERIT_TO_SUBNET4
    SimpleParser4::SHARED_NETWORK4_PARAMETERS - added DDNS parameters

src/lib/dhcpsrv/parsers/simple_parser6.cc
    SimpleParser6::GLOBAL6_PARAMETERS
    SimpleParser6::GLOBAL6_DEFAULTS
    SimpleParser6::SUBNET6_PARAMETERS
    SimpleParser6::INHERIT_TO_SUBNET6
    SimpleParser6::SHARED_NETWORK6_PARAMETERS - added DDNS parameters

src/lib/dhcpsrv/tests/cfg_shared_networks4_unittest.cc
src/lib/dhcpsrv/tests/cfg_shared_networks6_unittest.cc
src/lib/dhcpsrv/tests/dhcp_parsers_unittest.cc
src/lib/dhcpsrv/tests/network_unittest.cc
src/lib/dhcpsrv/tests/shared_network_parser_unittest.cc
src/lib/dhcpsrv/tests/shared_network_unittest.cc
src/lib/dhcpsrv/tests/subnet_unittest.cc
    Updated tests.

[#35,!517] Removed DDNS params from D2ClientCfg and tests

src/lib/dhcpsrv/d2_client_cfg.*
    D2ClientConfig - removed DDNS params

src/lib/dhcpsrv/parsers/dhcp_parsers.cc
    D2ClientConfigParser::parse() - removed DDNS params

src/lib/dhcpsrv/parsers/simple_parser4.cc
    SimpleParser4::GLOBAL4_PARAMETERS
    SimpleDefaults SimpleParser4::GLOBAL4_DEFAULTS
    - added DDSN params

src/lib/dhcpsrv/tests/cfgmgr_unittest.cc
    Updated calls to D2ClientCfg ctor

src/lib/dhcpsrv/tests/d2_client_unittest.cc
    Removed DDNS and hostname params from tests

src/lib/dhcpsrv/tests/d2_udp_unittest.cc
    Updated calls to D2ClientCfg ctor

src/lib/dhcpsrv/tests/dhcp_parsers_unittest.cc
    Removed DDNS and hostname params from tests