Fix bug 1102428

Remove directories that are to be replaced by symlinks
when the new version of cartridge is overlaid into gear.

Note: Mark ruby for incompatible upgrade.

https://bugzilla.redhat.com/show_bug.cgi?id=1102428
Revert "Updating file paths from blogs to blog"

This reverts commit 23418059fd00c075b814c871b6a29f68ff3cb78d.
Merge pull request #5461 from VojtechVitek/bug_1102428

Merged by openshift-bot
Merge pull request #5462 from ShalomPisteuo/revertCommit

Merged by openshift-bot