ATT specific fixups
Foodcritic fix

FC002: Avoid string interpolation where not required: .cookbooks/glance/recipes/api.rb:119
Added a batch of initial chefspec tests

* Added pending tests marked as 'TODO' for those which need figuring
  out
* Also added pending tests for template contents
Merge pull request #68 from retr0h/chefspec

Chefspec