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