add aliases and move /usr/local/bin further back in /Users/jlavin/.rvm/gems/ruby-2.0.0-p247/bin:/Users/jlavin/.rvm/gems/ruby-2.0.0-p247@global/bin:/Users/jlavin/.rvm/rubies/ruby-2.0.0-p247/bin:/Users/jlavin/.rvm/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin:/usr/X11/bin:/Users/jlavin/phantomjs-1.9.0-macosx/bin