no need out put HTML comments
remove no need capistrano 2 files
Should using rspec 2.14 instead of 3
need gem hitimes in windows
active_record.auto_explain_threshold_in_seconds is deprecated
Add sqlite3 as development db
bootstrap still using 2 instead of 3.
No need give path for those internal boostrap image
after running rake rails:update
ignore coverage content in sublime_text
Add back database.yml
quiet assets while in development.
upgrade gems
upgrade to rails 4.1.4
tzinfo-data needed when in rails 4.1 on windows platform.
remove activerecord-deprecated_finders
journey was merged on Rails 4.0, so remove here.
remove foreman since it's three years old and only guard launch.
TURN is no longer being maintained, so remove.

https://github.com/turn-project/turn
No plan to using airbrake

https://github.com/airbrake/airbrake