Disable gem install berkshelf during builds since it's not used anymore.
Merge pull request #167 from opscode/sersut/disable-geminstall

Disable gem install berkshelf during builds since it's not used anymore.
Add verify scripts for ‘new’ CI

These scripts will allow projects to be built in the opscode-ci managed
clusters (e.g. manhattan).
Merge pull request #166 from opscode/schisamo/opscode-ci-scripts

Add build scripts for “new” CI
Test 'workaround-git-in-git-cache-issue' branch of omnibus-sw
Update omnibus-ruby, omnibus-sw uses features in newer version
Switch omnibus-sw back to master w/ git cache fix merged
pointing all the things at ffi-yajl