updating rails gem version to 2.1
updating rails gem version to 2.1

nigelr/JavaScriptCasts,jfarver/railscasts,nischay13144/railscasts,marcagas/railscasts,marcagas/railscasts,jfarver/railscasts,nigelr/JavaScriptCasts,ryanb/railscasts,marcagas/railscasts,nischay13144/railscasts,nischay13144/railscasts,jfarver/railscasts,ryanb/railscasts