Update rails to 4.0.5

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Update sass-rails

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'update-rails' into 'master'

Update rails
Version 5.0.1

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>