Add cloudpassage to base role
Add New Relic and CloudPassage recipes

There is a new role called "api" used for barbican-api that sets
up New Relic application monitoring. New Relic server monitoring
and CloudPassage have been added to the base role.
Make cloudpassage pick up the provided key
Merge pull request #3 from greyshi/master

Add CloudPassage and New Relic chef recipes