Update changelog
Split setup script; update vagrant to ubuntu 14.04
Install ruby via brightbox ppa, remove rvm.
remove rvm deploy config for rei
fix Passenger env PATH
bundle install in setup_server.sh, fix rake error
Update rails to 4.1.4
Fix some zh-TW phrases.
Update README.md
Fixed add-apt-repository not found issues for some cloud server #36
调整 net-ssh 2.9 不兼容