added support for building kea in gitlab ci

[master] Added ChangeLog entry for #490.

[#490,!284] Corrected v6 get-config unit tests.

[#490,!284] Extended commentary per review comments.

[#490,!284] Renamed ElementExtractor to ElementValue.

Per review comments.

[#490,!284] Addressed review comments.

[#490,!284] Regenerated parser tests.

[#490,!284] Enable dynamic inheritance for networks in config file.

[#490,!284] Corrected compilation issue on CentOS.

[#490,!284] Enable inheritance of globals upon config merge.

[#490,!284] Finished implementation of the inheritance for v4 and v6.

[#490,!284] Use inheritance for all optional parameters in Network.

[#490,!284] Working PoC of inheritance in networks and globals.

[#490,!284] Created ElementExtractor template.

[#490,!284] Basic refactoring of the Network class.

[master] Added ChangeLog entry 1549

[master] kea-dhcp6 can now be configured to fetch from config backends

    Merge branch '104-cb-add-periodic-fetch-of-the-incremental-dhcpv6-configuration-changes'

    Note: Fetch upon reconfig and periodic update mechanics work,
    fetched data is not yet used.

[#104,!290] Addressed review comments

[#104,!290] kea-dhcpv6 now supports fetching config from backends

    Infrastructure has been added to kea-dhcp6 such that it can
    now be configured to fetch full and then periodic updates
    from config backends.

    Merging the actual fetched content will be done under subsequent
    issues.

src/bin/dhcp6
    ctrl_dhcp6_srv.*
        - ControlledDhcpv6Srv::processConfig() - added logic to schedule CB update timer
        - ControlledDhcpv6Srv::cbFetchUpdates() - new callback function for CB updates

    dhcp6_lexer.ll
    dhcp6_parser.yy
        -  Added config-fetch-wait-time

    dhcp6_messages.mes
        -  New log messages

    dhcp6_srv.*
        - Dhcpv6Srv::cb_control_  - new member for config backend access
        - Dhcpv6Srv::inTestMode() - new function to test for unit test mode

    json_config_parser.cc
        - configureDhcp6Server() - invokes full fetch from config backend

src/bin/dhcp6/tests
    config_backend_unittest.cc - new file/tests for config backend testing
    config_parser_unittest.cc - updated
    get_config_unittest.cc - rebuild tests
    kea_controller_unittest.cc - added CB control/timer tests

src/lib/dhcpsrv/
    dhcpsrv_messages.mes - added log message
cb_ctl_dhcp6.* - new files that provide v6 impl of config backend controller

doc/examples/kea6/all-keys-current.json - added config-fetch-wait-time

[#103,!277] Regenerated bison files.

[#103,!277] Address two minor review comments.

[#103,!277] Add failure count for the CB fetch timer.

[#103,!277] Use enum instead of boolean in databaseConfigFetch.

As a result of review.

[#103,!277] Added Dhcpv4Srv::inTestMode as a result of review.

[#103,!277] Addressed minor review comments.

[#103,!277] Fixing compilation issue on Ubuntu.

[#103,!277] Fixed unused variable warning.

[#103,!277] Updated all-keys-current.json example.

[#103,!277] Extended unit tests for databaseConfigApply in DHCPv4.

[#103,!277] Revert last audit entry time in case of merge failure.

[#103,!277] Update statistics when the configuration is merged into current.

[#103,!277] Fixed failing unit test.

[#103,!277] Setup timer for CB config fetch in the DHCPv4 server.

[#103,!277] Added support for config-fetch-wait-time parameter.

[#103,!277] Reset CBControl upon DHCPv4 serverreconfiguration.

[#103,!277] Implemented CBControlBase::reset function.

[#103,!277] DHCPv4 server is using CBControlDHCPv4.

[#103,!277] Implemented the CBControlDHCPv4::databaseConfigApply.

[#103,!277] Added CBControlBase::fetchConfigElement function.

[#103,!277] Use composite key for audit entry object type searches.

[#103,!277] Regenerated message files.

[#103,!277] Added stub CBControlDHCPv4.

[#103,!277] Disconnect CBs in the CBControlBase destructor.

[#103,!277] Include cb_ctl_base.h in the Makefile.am

[#103,!277] Implemented CBControlBase class.

[master] regen flex/bison

updated ChangeLog

updated timestamps

generated parsers

removed consistency parameters from translator

changes after review

added supported values and link to documentation

updated examples and models

configure serial consistency as well

fixed compilation with unittests

renamed parameter

added cql-consistency parameter

[master] Updated ChangeLog entry 1541 for reporters

[master] Added ChangeLog entry for sip-ua-cs-domains doc fix

[536-typo-in-arm-for-option-sip-ua-cs-domains] Fixed sip-ua-cs-domains code point

[master] Updated ChangeLog entry 1542.

[master] Postgresql unit tests now support wipe-data only

    Merge branch '531-improve-postgresql-unit-test-time-by-implementing-a-wipe-data-only-mechanism'

[531-improve-postgresql-unit-test-time-by-implementing-a-wipe-data-only-mechanism] spelling

[531-improve-postgresql-unit-test-time-by-implementing-a-wipe-data-only-mechanism] Grammar

[531-improve-postgresql-unit-test-time-by-implementing-a-wipe-data-only-mechanism] Better fix

[531-improve-postgresql-unit-test-time-by-implementing-a-wipe-data-only-mechanism] spelling

[474-optionally-disable-collection-host-lookups] Addressed comments

[474-optionally-disable-collection-host-lookups] Removed srandomdev

[474-optionally-disable-collection-host-lookups] Added a host manager flag to disable getAll() in alloc engine

[481-er-foreign-duplicate-key-with-child-info] Completed duplicate foreign key errors

[481-er-foreign-duplicate-key-with-child-info] Made ER_FOREIGN_DUPLICATE_KEY_WITH_CHILD_INFO optional

hammer: added note to hammer guide about ccache limitation to lxc only

added description of ccache feature in hammer in user guide

added CCache support to Hammer

[master] Added entry 1546.

[master] kea-dhcp4 uses options from config backends

    Merge branch '401-merge-dhcpv4-options-fetched-from-the-cb-into-the-configuration'

[#401,!254] Further review work.

Removed use of Option::toText from tests:

src/lib/dhcpsrv/tests/cfg_option_unittest.cc
    TEST_F(CfgOptionTest, replace)
    TEST_F(CfgOptionTest, mergeTo)
    TEST_F(CfgOptionTest, createDescriptorOptionValid)

src/lib/dhcpsrv/tests/cfg_subnets4_unittest.cc
    TEST(CfgSubnets4Test, mergeSubnets)

[#401,!254] Added space in the error message.

[#401,!254] Addressed more review comments.

[#401,!254] Use three slashes between todo in the SrvConfig.

[master] Added a ChangeLog entry for data-directory

[430-configure-location-of-datadir] Fixed another post rebase issue

[430-configure-location-of-datadir] Better clear in CfgMgrTest

[#430,!263] regen bison

[430-configure-location-of-datadir] Updated keywords list

[430-configure-location-of-datadir] Added some unit tests

[430-configure-location-of-datadir] Fixed quotes in data-directory example

[430-configure-location-of-datadir] Reverted to CfgMgr. Made Optional

[430-configure-location-of-datadir] Forked all-keys.json files into stable and current versions

[430-configure-location-of-datadir] Do not export data-directory tests

[430-configure-location-of-datadir] Moved datadir to server config and use it for v6

[#480,!263] regen flex/bison

[430-configure-location-of-datadir] Extended syntax

[#401,!254] Implemented CfgOption::replace

src/lib/dhcpsrv/cfg_option.*
    CfgOption::replace() - new method to update an OptionDescriptor

    CfgOption::createDescriptorOption() - new returns a bool indicating
    whether or not the option_ instance was replaced

[#401,!254] Options are now created when merging subnets

src/lib/dhcpsrv/cfg_subnets4.*
    CfgSubnets4::merge() - added cfg_def, now
    creates options for each subnet and their pools.

src/lib/dhcpsrv/srv_config.cc
    SrvConfig::merge4() - passes merged option defs
    into subnets merge.

src/lib/dhcpsrv/subnet.h
    Subnet::getPoolsWritable() - changed to public.

[#401,!254] Options are now created when merging shared-network4s

src/lib/dhcpsrv/cfg_option.*
    CfgOption::createOptions(CfgOptionDefPtr cfg_def) -
    new function which creates options for all of a cfg's
    descriptors

    CfgOption::merge() - calls createOptions()

src/lib/dhcpsrv/cfg_shared_networks.*
    CfgSharedNetworks4::merge() - added cfg_def parameter and
    call to populate the "other" networks' options

src/lib/dhcpsrv/srv_config.cc
    SrvConfig::merge4() - passes merged option definitions
    into shared network merge.

[#521,!270] Addressed review comments.

[#521,!270] Updated unit tests comment.

[#521,!270] Removed dependency of the MySQL CB on LibDHCP option defs.

[#531,!279] Rebased