Update CONTRIBUTING.md
Update CONTRIBUTING.md
GianniCarlo/JSQMessagesViewController,jessesquires/JSQMessagesViewController,preeo/JSQMessagesViewController,eliburke/JSQMessagesViewController,GianniCarlo/JSQMessagesViewController,TeletronicsDotAe/JSQMessagesViewController,jessesquires/JSQMessagesViewController,sebastianludwig/JSQMessagesViewController,sebastianludwig/JSQMessagesViewController,TeletronicsDotAe/JSQMessagesViewController,perpetio/JSQMessagesViewController,preeo/JSQMessagesViewController,Lucashuang0802/JSQMessagesViewController,TelmedIQ/JSQMessagesViewController,derekjcarter/JSQMessagesViewController,derekjcarter/JSQMessagesViewController,preeo/JSQMessagesViewController,perpetio/JSQMessagesViewController,adozenlines/JSQMessagesViewController,perpetio/JSQMessagesViewController,GuyKahlon/JSQMessagesViewController,cheskapac/JSQMessagesViewController,sebastianludwig/JSQMessagesViewController,derekjcarter/JSQMessagesViewController,WhisperSystems/JSQMessagesViewController,adozenlines/JSQMessagesViewController,cheskapac/JSQMessagesViewController,Lucashuang0802/JSQMessagesViewController,WhisperSystems/JSQMessagesViewController,Lucashuang0802/JSQMessagesViewController,adozenlines/JSQMessagesViewController,TeletronicsDotAe/JSQMessagesViewController