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Conflicts:
	ChangeLog

Bundy issue 6:
(should also be trivial enough, so I'm pushing it directly at my discretion)
without this it's possible that it only results in warning on a system
that doesn't actually support this flag (such as MacOS X) and subsequently
causes build failure.

[mavericks] fix trivial build errors

Conflicts:
	src/lib/util/csv_file.cc
	src/lib/util/csv_file.h

 - loggerInit method moved to specific backends
 - --with-kea-config parameter renamed: BIND10 => Bundy

- config-reload command added
- config and command handlers cleaned up
- files renamed
- Majority of the backend code is now common
- Added unit-test for config-reload command

Conflicts:
	src/lib/dhcpsrv/d2_client_cfg.cc
	src/lib/dhcpsrv/dhcp_parsers.cc

Reverted change to configure.ac that broke the test for sys/filio.h.
This include is needed for unit tests in dhcp_ddns.

The unit test, IOFetchTest.TcpSendReceive65535, was failing
routinely on a NetBSD VM.  The VM was running so slowly that
this test was timing out.  Typically it takes less than
500ms. On this VM it was taking over 4.5s and then hitting
a safety valve timeout.  That timeout value was increased.

Internal refactor, moved error logic from commit() to build() for
D2 parsers

Adds sender_ip,sender_port,max_queue_size to D2 client config