[947-mt-compatibility-for-hooks] Updated stat cmds

[947-mt-compatibility-for-hooks] Did a first pass on core hooks

[947-mt-compatibility-for-hooks] Checkpoint: hook library done, hooks to do

[947-mt-compatibility-for-hooks] Checkpoint: waiting for MTCS #970 stuff

[947-mt-compatibility-for-hooks] checkpoint

[#1121] Addressed review comment

    Minor cleanup

[#1121] Remove inefficient comparator wrapper methods from IOAddress

src/lib/asiolink/io_address.h
    IOAddress::lessThan()
    IOAddress::smallerEqual() - removed these altogether
    IOAddress operators now simply use boost::ip_address operators

src/lib/dhcpsrv/pool.cc
    Pool::inRange() - replace use of IOAddress::smallerEqual() with
    direct <= expresssion.

[#1090] ChangeLog updated

[#1090] empty line removed

[#1090] pkt4_send drop status now actually drops packet

[#1090] pkt4-send comment updated

[#957] updated ChangeLog

[#957] addressed review

[#957] addressed review

[#957] addressed review

[#957] removed getLibraryHandle from CalloutHandle

[#957] refactored hooks manager classes to be unsed in multi-threading

[#1108] Servers execute shutdown on unrecoverable DBs

Added ChangeLog entry

src/bin/dhcp4/ctrl_dhcp4_srv.*
    ControlledDhcpv4Srv::dbLostCallback() - schedules a shutdown
    once retries have been exhausted/disableld

src/bin/dhcp6/ctrl_dhcp6_srv.*
    ControlledDhcpv6Srv::dbLostCallback() - schedules a shutdown
    once retries have been exhausted/disableld

src/lib/database/database_connection.h
    class DbUnrecoverableError - new exception

src/lib/mysql/mysql_connection.h
    MySqlConnection::check_error() - throws DbUnrecoverableError
    instead of calling exit()

src/lib/pgsql/pgsql_connection.*
    PgSqlConnection::checkStatementError() - throws DbUnrecoverableError
    instead of calling exit()

[#1074] updated ChangeLog

[#1074] minor changes

[#1074] minor changes

[#1074] minor changes

[#1074] minor changes

[#1074] minor changes

[#1074] minor changes

[#1074] minor changes

[#1074] minor changes

[#1074] minor changes

[#1074] minor changes

[#1074] minor changes

[#1074] added unittests

[#1074] implemented connection pool for pgsql host mgr

[#891] minor changes

[#891] use if and else instead of template function

[#891,!592] use boost::scoped_ptr instead of mutable

[#891,!592] use boost:: instead of std::

[#891,!592] remove mutex from StatContext as all functions are called in a thread safe context from StatsMgr

[#891,!592] use c++11 syntax - compile without errors on clang and g++

[#891,!592] updated doxygen

[#891,!592] clean up code

[#891,!592] make code more readable

[#891,!592] updated doxygen

[#891,!592] updated unit tests

[#891,!592] updated unit tests

[#891,!592] use generic Lockable object

[#891,!592] updated doxygen

[#891,!592] code cleanup

[#891,!592] make StatsMgr thread safe

[#1097] Addresses review comments

    Minor cleanups

[#1097] CommandMgr now handles orphaned control sockets

Added a ChangeLog entry.

src/lib/config/command_mgr.cc
    CommandMgrImpl::openCommandSocket() - now attempts to open and
    lock a lock file whose name is derived from the control socket
    name.  If the lock cannot be established, it is assumed that the
    socket is in use.

    CommandMgr::closeCommandSocket() - removes the lock file after
    the socket file is removed.

src/lib/config/tests/command_mgr_unittests.cc
    TEST_F(CommandMgrTest, exclusiveOpen) - new unit test

[#890] addressed review

[#890] addressed review

[#890] addressed review

[#890] addressed review

[#890] make allocation engine thread safe

[#1101] addressed review

[#1101] bump up libs version

[#1101] bump up libs version and hooks version

[#1101] bump up libs version

[#1098] updated more copyright dates

[#1098] updated list of supported systems in ARM

[#1098] regenerated parsers

[#1098] adjusted code for release

- update copyright dates
- prepare messages files
- added release entry in ChangeLog file

[#1098] removed old man pages in docbook

[#981] Addressed review comments

Minor clean ups

src/lib/dhcpsrv/tests/srv_config_unittest.cc
    TEST_F(SrvConfigTest, getDdnsParamsNoSubnetTest4)
    TEST_F(SrvConfigTest, getDdnsParamsNoSubnetTest6)
    - new unit tests

[#981] Minor improvements

src/lib/dhcpsrv/srv_config.*
    Renamed DdnsParams::enable_updates_ to d2_client_enabled_

src/lib/cc/data.h
    MapElement::get() - revamped to only do the lookup once.

src/lib/dhcpsrv/d2_client_cfg.cc
    D2ClientConfig::stringToReplaceClientNameMode() - removed
    use of boost::iequals().  Config parsing lowercases it already.

[#981] Added commentary and ChangeLog entry

[#981] Reworked DdnsParams to allow on-demand value fetching

src/lib/dhcpsrv/d2_client_cfg.*
    Moved DdnsParams to srv_config.*

src/lib/dhcpsrv/network.h
    respaced

src/lib/dhcpsrv/srv_config.*
    DdnsParams relocated here from d2_client_cfg.*.
    Added SubnetPtr member.
    Added constructors from Subnet4Ptr and Subnet6Ptr
    Replaced individual members with getters.

src/lib/dhcpsrv/tests/d2_client_unittest.cc
src/lib/dhcpsrv/tests/srv_config_unittest.cc
    Retrofitted tests accordingly.

src/lib/dhcpsrv/alloc_engine.*
src/lib/dhcpsrv/d2_client_mgr.*
    Updated DdnsParams references

src/bin/dhcp4/dhcp4_srv.cc
src/bin/dhcp4/tests/fqdn_unittest.cc
    Updated DdnsParams references

src/bin/dhcp6/dhcp6_srv.cc
src/bin/dhcp6/tests/fqdn_unittest.cc
    Updated DdnsParams references

[#1093] Spelling error

[#1023] Added unit tests and ChangeLog entry

Added a ChangeLog entry

src/hooks/dhcp/mysql_cb/mysql_cb_dhcp4.cc
src/hooks/dhcp/mysql_cb/mysql_cb_dhcp6.cc
    updated copyright year

src/hooks/dhcp/mysql_cb/tests/mysql_cb_dhcp4_unittest.cc
    TEST_F(MySqlConfigBackendDHCPv4Test, subnetOptionIdOrder)
    TEST_F(MySqlConfigBackendDHCPv4Test, sharedNetworkOptionIdOrder) -
    new unit tests

src/hooks/dhcp/mysql_cb/tests/mysql_cb_dhcp6_unittest.cc
    TEST_F(MySqlConfigBackendDHCPv6Test, subnetOptionIdOrder)
    TEST_F(MySqlConfigBackendDHCPv6Test, sharedNetworkOptionIdOrder) -
    new unit tests

[#1093] Reest sub-component trackers during CB data fetches

Initial correction. Unit tests forthcoming

src/hooks/dhcp/mysql_cb/mysql_cb_dhcp4.cc
    MySqlConfigBackendDHCPv4Impl::getSubnets4()
    MySqlConfigBackendDHCPv4Impl::getSharedNetworks4()
    - reset sub-component tracking on new object row

src/hooks/dhcp/mysql_cb/mysql_cb_dhcp6.cc
    MySqlConfigBackendDHCPv4Impl::getSubnets6()
    MySqlConfigBackendDHCPv4Impl::getSharedNetworks6()
    - reset sub-component tracking on new object row

[#1073] addressed review

[#1073] addressed review

[#1073] addressed review

[#1073] Added minor comments

[#1073] thread safe initialization of atexit function

[#1073] minor changes

[#1073] minor changes

[#1073] minor changes

[#1073] minor changes

[#1073] fixed rebase

[#1073] fixed rebase

[#1073] minor changes

[#1073] added unittests

[#1073] minor changes

[#1073] minor changes

[#1073] minor changes

[#1073] minor changes

[#1073] minor changes

[#1073] minor changes

[#1073] implemented connection pool for mysql host mgr

[#724] Added ChangeLog entry

[#724] Regenerated after rebase

[724-subnet-and-shared-network-default-and-inheritance-are-not-consistent] Removed other variables which can be handled by getProperty only

[724-subnet-and-shared-network-default-and-inheritance-are-not-consistent] Checkpoint: removed version specific variables

[#946] Added ChangeLog entry for 946

[#946] Documented ddns parameters in CB

The DDNS specific parameters are now included in the tables that list
parameters supported/not supported by the CB.

[#946] Created new MySQL schema version

[#946] Addressed comments

[#946] Added tests