Update install for Rails 3.1
Update install for Rails 3.1

jasl/jquery-middleman,rails/jquery-rails,maclover7/jquery-rails,nicolasleger/jquery-rails,JamesHarker/jquery-rails,tricknotes/jquery-rails,blurb/jquery-rails,ehowe/jsc3d-rails,STRd6/jquery-rails,Windermere/jquery-rails,purcell/jquery-rails,ipmobiletech/jquery-rails,indirect/jquery-rails