[services-ng] upload ruby version to 1.9.3 for warden server

Change-Id: Id27be137a7ec8995d267f140bca165cea5659299
bump services_warden

Change-Id: I69cd144141c5a6c07e51c167f0ef3af25b3423b6
Merge pull request #30 from Seanzhao/master

upload ruby version to 1.9.3 for warden server