add 'Note on Patches/Pull Requests' to README
add 'Note on Patches/Pull Requests' to README

phaza/twitter-node,desmondmorris/node-twitter,gabfusi/node-twitter,FiftyThree/node-twitter,rneilson/node-twitter,cesaregb/ntwitter,Shugardude/ntwitter2,technoweenie/twitter-node,timisbusy/ntwitter,SteveUpton/ftwitter,santiperez/ntwitter,AvianFlu/ntwitter