updated README with new install instructions
updated README with new install instructions

schacon/ruby-git,hybridgroup/ruby-git,Alwahsh/ruby-git,fastlane/ruby-git,fleitz/ruby-git,henrybissonnette/ruby-git,henrybissonnette/ruby-git,fastlane/ruby-git,onetwotrip/ruby-git,onetwotrip/ruby-git,modulexcite/ruby-git,StudyTube/ruby-git,hotchpotch/ruby-git,Alwahsh/ruby-git,hybridgroup/ruby-git,ai-traders/ruby-git,modulexcite/ruby-git,lispro06/ruby,schacon/ruby-git,StudyTube/ruby-git,ai-traders/ruby-git,fleitz/ruby-git