Added basic sign_in controller and template
basic git auth test
Merge branch '#6_user_login_auth' of https://github.com/lpfan/time_tracker into #6_user_login_auth
Create some basic authorization mechanism;
Fix token generation;
Finish basic auth functionality
Added basic dashboard interface
Added localStorage module for angular and start building time tracking
functionality
Added new task form;
Added simple timer
Fix timer
Finish basic time counter (js part);
Finish basic time formatting;
Merge pull request #10 from lpfan/#9_time_calculation

#9 time calculation