Add Controller to reported KVs
Add tests for the existence of Controller/Action KVs
Merge remote-tracking branch 'public/master' into issue_54
Validate existence of key, not value
Validate existence of key, not value
Merge branch 'issue_54' of github.com:appneta/oboe-ruby into issue_54
Validate existence of key, not value
Merge pull request #54 from appneta/issue_54

Grape Instrumentation should report a Controller KV