developed for API user
Finish create-api-user
fixed API for checking email existing
Finish create-api-user
updated type of 'ok' value to integer
Finish create-api-user
handle signup / login / logout
fix logout call to api
apply global config from Grunt build, add debug controller in backend, add auto login form
Merge branch 'feature/config-url' into develop

* feature/config-url:
  apply global config from Grunt build, add debug controller in backend, add auto login form

Conflicts:
	frontend/app/scripts/auth/controllers/sign-up-ctrl.js
	frontend/app/scripts/main-ctrl.js
add debug controller
fix ENV variable in main controller (frontend)
disable pushState on development environment
updated user data return (not include hashed_password field)
Finish create-api-user