add depedencies on git, ruby and ruby-dev
handle session_store/secret token by rake task
Gemfile.local for thin
bundle as root without --deployment
set database adapter to mysql2 (ruby > 1.9)
add migrate_plugins and tmp:*:clear commands into migration
update copyright, add small comment
try to update README
Revert "Add gem mysql"

This reverts commit 540c9320b49eaf34cbc760d243277879664b117b.
Berkify by adding berks related files
adding vagrantfile