fix GEARPUMP-189 Update project/Build.scala to enable publishing rele…
fix GEARPUMP-189 Update project/Build.scala to enable publishing rele…

…ases to https://repository.apache.org/content/repositories/releases/org/apache/gearpump/

Author: Kam Kasravi <kamkasravi@yahoo.com>

Closes #75 from kkasravi/GEARPUMP-189.

manuzhang/incubator-gearpump,manuzhang/incubator-gearpump,manuzhang/incubator-gearpump,manuzhang/incubator-gearpump,manuzhang/incubator-gearpump