Make chruby plugins conform to naming convention
Added parsing of /etc/hosts and support for username@host completion
Merge pull request #256 from marshally/rbenv_gemset

add support for rbenv gemset command to bash prompt
Merge pull request #254 from aramprice/master

Make chruby plugins conform to naming convention
Merge pull request #255 from jkogara/master

Update to ssh completion to add parsing of /etc/hosts and support for username@host completion