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
Working towards correct endpoint handling.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/virtdb_fdw.cc
Updated submodule
Merge remote-tracking branch 'upstream/master'
Getting endpoints from config-service and options from postgres options.
Small refactors.
Merge pull request #26 from szilardhuber/master

Adding new data types and correct communication with config-service