fixes values passed in as hases
working around an issue where ruby is not installed on a node
adds the old zero downtime restart from original unicorn cookbook
Revert "adds the old zero downtime restart from original unicorn cookbook"

This reverts commit f31d8dc0fb85787f611c7936e4eee2886a24061a.
Merge pull request #3 from baldur/master

fixes values that get passed in as hash