Convert more things to use Emitter2
Convert more things to use Emitter2

baishuo/cglib,TopicusZorg/cglib,cglib/cglib,lncosie/cglib,xgbj/cglib,wangf111/cglib,evertrue/cglib,292388900/cglib,mcmakev/cglib,mcculls/cglib,chuz/cglib,ligzy/cglib,mohanaraosv/cglib,liuyb02/cglib,yseasony/cglib,HubSpot/cglib,lukesandberg/cglib