Gemfile.lock ownership fixes

A user on #openshift-dev somehow got into a state where Gemfile.lock had a mode
of 640.  Previously it was owned by root.  It's probably more correct to change
the ownership since the intent is that Apache should _always_ be able to read
that file.
Merge pull request #1535 from brenton/gemfile_lock_fixes

Merged by openshift-bot