[#16] added logic for login
[#16] small corrections and code improvement
[#16] added a lot of code for users | need add logic for creating, editing and deleting users in controllers
[#16] added logic for creating users
[#16] added logic for deleting users
[#16] small corrections
Merge pull request #19 from denya133/feature/update-ember-app

[#16] Merge 'feature/update-ember-app' into 'develop'