Update connector to version 1.2.0 for GA.

Change-Id: I8377af51a90d0e5094605db7476cf6364bac0dc4
Reviewed-on: http://review.couchbase.org/41899
Reviewed-by: Jeffry Morris <jeffrymorris@gmail.com>
Tested-by: Matt Ingenthron <matt@couchbase.com>