Get indexing from canonical source; Add gometa

Change-Id: I3e369480bd0ded0bd3f7f90bfb48d13b3e4e8474
Reviewed-on: http://review.couchbase.org/42589
Reviewed-by: Chris Hillery <ceej@couchbase.com>
Tested-by: Chris Hillery <ceej@couchbase.com>