CR fixes
Track CR Fixes
add CR comments for controllers
Merge branch 'master' of bitbucket.org:tanmay3011/vtapp

Conflicts:
	app/controllers/companies_controller.rb
	app/controllers/tracks_controller.rb
remove merge conflicts
remove merge conflicts
fix rspecs
fix CR controller fixme
CR changes
add CR comments, remove fixed comments, also refactored some validations added allow_blank with some
add unicorn
unicorn config
temp