GitLab

 - StatsMgr::getStatName() implemented.

 - CommandSocket, UNIXCommandSocket and ConnectionSocket classes added.
 - Updated unit-test to use

 - CommandMgr class implemented
 - unit-tests for CommandMgr implemented
 - Stub implementation for CommandSocketFactory

Conflicts:
	src/bin/dhcp4/tests/dhcp4_srv_unittest.cc
	src/bin/dhcp6/tests/dhcp6_test_utils.cc

    3883 adds PostgreSQL support to kea-admin

Split the d2 logging code into multiple loggers
to allow administrators to more easily contol
the amount of debug messages during debugging.

Merge branch 'trac3808'

Add the ChangeLog entry

Update the documentation to change the underscores to hyphens

- Reversed order in assert_eq message paramenters
- pgsql_upgrade_test() was missing setup steps to wipe and create the db

 - Pkt4::check() removed
 - commented recent change in Pkt4::setType()
 - Pkt4::setType() now used OptionInt<uint8> rather than
   Option::setUint8()

 - a lot of dead code removed from command_interpreter.cc|h|tests
 - unit-tests an el() function now have comments
 - comments improved (added for constants, cleaned up for functions)
 - copyright years updated
 - unnecessary includes removed