rely on rvm-prompt being in /home/jnimety/.rvm/gems/ruby-1.9.3-p392@control/bin:/home/jnimety/.rvm/gems/ruby-1.9.3-p392@global/bin:/home/jnimety/.rvm/rubies/ruby-1.9.3-p392/bin:/home/jnimety/.rvm/bin:/home/jnimety/.rvm/gems/ruby-1.9.3-p392/bin:/home/jnimety/.rvm/gems/ruby-1.9.3-p392@global/bin:/home/jnimety/.rvm/rubies/ruby-1.9.3-p392/bin:/usr/local/bin:/usr/bin:/home/jnimety/bin:/usr/local/sbin:/usr/sbin