Add webmock, sinatra, rcov to Gemfile
Redirect all requests to offline chef app
Add json fixtures as chef responses from offline-cache.zip
Remove unneeded stubs from controller specs
Override test env constants for specs to work
Add specs for finders in our models - tests the offline chef functionality
Add node controller specs
Handle missing attributes in NodesController#update
Specs for crowbar controller
Add chef object specs
Crowbar service specs
Comment out failing barclamp_index spec until its clear it is needed
Add spec for BarclampController#index