Tried to add logging to diag service.
Supporting more data types.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	common
	src/virtdb_fdw.cc
Merge remote-tracking branch 'upstream/master'
Updated common to latest.
Removed unused function + updated tests to use the new template method.
Added some logging.
Updated common submodule.
Updated common
updating submodule ref
update fdw
add rpath for gtest tests so it can find the libs without LD_LIBRARY_PATH
Working towards correct endpoint handling.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/virtdb_fdw.cc
Updated submodule
updating submodule reference
Merge remote-tracking branch 'upstream/master'
updating submodule ref
updating submodule ref
Getting endpoints from config-service and options from postgres options.