[CONTINUUM-1777] Able to create a build template without build definition
Submitted by: John Michael Luy (with modifications)
Submitted by: Gwen Harold Autencio (with modifications)

git-svn-id: https://svn.apache.org/repos/asf/continuum/trunk@1491782 13f79535-47bb-0310-9956-ffa450edef68