Removed patch module
Removed usages of patch module
Removed patch file for openx
Removed openx completely
Merge pull request #528 from kris-lab/issue-527

Remove patch module
Don't install "rubygems" (ruby 1.8) on wheezy
Update vagrant box urls
Merge pull request #530 from njam/issue-530

Don't install unnecessary rubygems on wheezy
Added environment configuration for cron
Merge pull request #531 from kris-lab/issue-531

Configure cron environment for librarian-puppet
Make opcache.enable configurable
Merge pull request #535 from njam/issue-535

Allow to enable/disable opcache