Bug 918383 - Python community cartridges cannot share virtualenv

* Because python2.7/3.3 are installed in the gear and virtualenv uses symlink to the
  python libraries, rsync'ing a virtual env across gears fails
Merge pull request #1571 from jwhonce/bug/918383

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Bug 896391 - Move the gear name symlink, not the app name.
Turned out to be unnecessary.
Revert "Bug 901445 - Clean up scaled app output."

This reverts commit 2a391695f00bae35580843075f9a2fc13b294c06.
Merge pull request #1572 from abhgupta/abhgupta-dev

Merged by openshift-bot
Merge pull request #1573 from rmillner/BZ896391

Merged by openshift-bot
Merge pull request #1574 from rmillner/BZ901445

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Fix destroyed gear check in UnixUser#destroy
Merge pull request #1575 from pmorie/dev/uu

Merged by openshift-bot