Bug 964116: Postgres failed to restore snapshot

https://bugzilla.redhat.com/show_bug.cgi?id=964116

The `post_restore` function was attempting to delete the old user, even
if it was the same as the new user. This has been fixed.
Bug 965322 - Ruby always building 1.9.3 environment

* Only bundle using SCL 1.9.3 if configured Ruby version is 1.9
Improve error messages
Bug 965105: Cannot delete application
Bug 965322 - Use expected version of ruby to start httpd
do not save connections in mongo; regenerate them everytime we need to execute them
Merge pull request #2562 from fotioslindiakos/Bug964116

Merged by openshift-bot
Merge pull request #2566 from danmcp/master

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Merge pull request #2568 from jwhonce/bug/965332

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Merge pull request #2559 from rajatchopra/master

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enable downloading of cartridges
Bug 962673
Merge pull request #2569 from fotioslindiakos/Bug965105

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Merge pull request #2571 from rajatchopra/master

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Merge pull request #2570 from danmcp/master

Merged by openshift-bot