Move rvm downgrade to before_install
Update multi_json dependency to version 1.7.3
Update shoulda dependency to version 3.5.0
Update dalli dependency to version 2.6.3
Update net-sftp dependency to version 2.1.2
Update cucumber dependency to version 1.3.1
Update tilt dependency to version 1.4.1
Update fog dependency to version 1.11.1