Update rubies and passenger
Upgrade ruby versions
Use lowercase environment variable $user so as to not overwrite $USER
Upgrade latest ruby version to 2.2.0
Ignore kate swap files
Upgrade to the latest version of passenger
Upgrade ruby 1.8.7 to -p375
Drop ruby patch level from paths
Move passenger symlinks to a /opt/passenger
Add new build dependencies for ruby 2.2.0
Add subversion so that the latest 1.8.7 branch can be downloaded