[Server Manager : Ubuntu 14.04 provision]

Partial-Bug: #1402114

Fix the upstart links by passing upstart as a provider to service
resource.

Testing:
1) Issue provision on  a two-node setup all except compute + compute for 14.04
2) Issue provision for single node ubuntu 12.04.

Change-Id: I23479e238cd3e93219d155269a57bebb57a5122f
Merge "[Server Manager : Ubuntu 14.04 provision]" into R2.0