fix gemfile
Merge branch 'develop' of https://github.com/YuryKorotin/c_ext into develop

* 'develop' of https://github.com/YuryKorotin/c_ext:
  fix gemfile
Merge branch 'develop' of https://github.com/YuryKorotin/c_ext into develop

* 'develop' of https://github.com/YuryKorotin/c_ext:
  restructure controllers
  add changed Gemfile.lock
  add therubyracer gem

Conflicts:
	Gemfile.lock
Correct name of database config
Merge branch 'develop' of https://github.com/YuryKorotin/c_ext into develop

* 'develop' of https://github.com/YuryKorotin/c_ext:
  add sqlite3 for testing

Conflicts:
	Gemfile.lock
Merge branch 'feature/init_travis' into develop

* feature/init_travis:
  Correct name of database config
Merge branch 'develop' of https://github.com/YuryKorotin/c_ext into develop

* 'develop' of https://github.com/YuryKorotin/c_ext:
  add helpers