improve btn colors
use disable_with
change to updated_at from created_at
logout via delete method
enable auto approval at google auth
add unfollowing other user
add unfollowing tag
add unstocking item
use require_login filter only with :except option for enhancement
Merge branch 'add-unfollow' into pretty-up-templates
fix example for Tag's default order
remove specs for default order because it was tested on Rails
add error message on failing to post comment
Merge branch 'pretty-up-templates'
add client_side_validations gems
setup client_side_validations
add client_side_validations for mongoid
update gem dependencies
Merge branch 'add-clientside-validation'