Bug 986838 - Prevent quotas from being lowered beyond usage

* Format error message for Broker to pick up
Revert "Update Gemfile". Pushed to wrong branch.

This reverts commit 274a0f26be664c396c512193551ab39807dd249f.
Fix for bug 985496
Merge pull request #3268 from jwhonce/bug/986838

Merged by openshift-bot
Merge pull request #3270 from abhgupta/abhgupta-scheduler

Merged by openshift-bot
Fixing gem version requirement on sass-twitter-bootstrap