CBLT-237:  upload-to-maven.sh params:   branch  release_number   dir_with_jars

Change-Id: I2ed9468d12a1cddf8ddea82985f9f637a47b4d98
Reviewed-on: http://review.couchbase.org/34970
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>