Fix bug 980953 - allow conversion tracking
Bug 968252: Clean up old marker README files
Bug 979740 - Fix Postgres cartridge using $HOME

https://bugzilla.redhat.com/show_bug.cgi?id=979740

The Postgres cartridge was using $HOME in some places, but it should be using $OPENSHIFT_HOMEDIR.
This is causing an unbound variable error.
Bug 981528

reload/force-reload depends on application status, so both can be sent
to the cartridge
Merge pull request #3036 from liggitt/bug_980953_adwords_script

Merged by openshift-bot
Merge pull request #3039 from ironcladlou/bz/968252

Merged by openshift-bot
Merge pull request #3041 from fotioslindiakos/BZ979740

Merged by openshift-bot
Merge pull request #3042 from BanzaiMan/dev/hasari/bz981528

Merged by openshift-bot
Bug 980253 - Validate version numbers from manifest

* Add Manifest.sort_versions to sort version numbers meaningfully
* Rebase for LXC container