Rename and package javadocs and source jars correctly.

Change-Id: I3e59cb00cd4f9d85b21f8d929e5509c46212d020
Reviewed-on: http://review.couchbase.org/42227
Tested-by: Chris Hillery <ceej@couchbase.com>
Reviewed-by: Traun Leyden <tleyden@couchbase.com>
Tested-by: Traun Leyden <tleyden@couchbase.com>