Backend integration tests

[jmdobry]

• - User Controller
  • - GET /api/user
  • - GET /api/user/repos
• - Repos Controller
  • - GET /api/repos/:key
  • - GET /api/repos
  • - GET /api/repos/search/:owner/:repo
  • - PUT /api/repos/:key
  • - DELETE /api/repos/:key
  • - POST /api/repos/:key/hook
• - Models Controller
  • - GET /api/models/:key
  • - GET /api/models
  • - POST /api/models
  • - PUT /api/models/:key
  • - DELETE /api/models/:key
  • - POST /api/models/:key/train