chore(CHANGELOG): add updated changelog
chore(CHANGELOG): add updated changelog

elliotschi/rxjs,jadbox/RxJS,figueredo/RxJS,gjungb/RxJS,elliotschi/rxjs,sitexa/RxJS,jayphelps/rxjs,gjungb/RxJS,staltz/RxJSNext,kwonoj/RxJS,SangKa/RxJS-Docs-CN,benlesh/RxJS,Igorbek/rxjs5,RxJS-CN/RxJS-Docs-CN,figueredo/RxJS,sitexa/RxJS,luisgabriel/RxJS,figueredo/RxJS,ReactiveX/rxjs,jaawerth/RxJS-1,robwormald/RxJS,robwormald/RxJS,SangKa/RxJS-Docs-CN,benlesh/RxJS,jinroh/RxJS,elliotschi/rxjs,robwormald/RxJS,adrianomelo/RxJS-1,RxJS-CN/RxJS-Docs-CN,Brocco/RxJS,staltz/RxJSNext,jadbox/RxJS,gjungb/RxJS,martinsik/rxjs,mattpodwysocki/RxJS,benlesh/RxJS,ReactiveX/RxJS,trxcllnt/RxJS,Igorbek/rxjs5,ReactiveX/rxjs,elliotschi/rxjs,saneyuki/RxJS,ReactiveX/RxJS,saneyuki/RxJS,trxcllnt/RxJS,justinwoo/RxJS,adrianomelo/RxJS-1,trxcllnt/RxJS,Brocco/RxJS,mattpodwysocki/RxJS,adrianomelo/RxJSNext,IgorMinar/RxJS,adrianomelo/RxJS-1,mattpodwysocki/RxJS,Brocco/RxJS,Igorbek/rxjs5,justinwoo/RxJS,jaawerth/RxJS-1,gluck/RxJS,ReactiveX/rxjs,ReactiveX/RxJS,Igorbek/rxjs5,jinroh/RxJS,luisgabriel/RxJS,staltz/RxJSNext,martinsik/rxjs,SangKa/RxJS-Docs-CN,martinsik/rxjs,robwormald/RxJS,jadbox/RxJS,figueredo/RxJS,sitexa/RxJS,jayphelps/rxjs,sitexa/RxJS,jinroh/RxJS,RxJS-CN/RxJS-Docs-CN,gluck/RxJS,IgorMinar/RxJS,kwonoj/RxJS,jayphelps/rxjs,adrianomelo/RxJS-1,kwonoj/RxJS,jaawerth/RxJS-1,jayphelps/rxjs,mattpodwysocki/RxJS,kwonoj/RxJS,RxJS-CN/RxJS-Docs-CN,trxcllnt/RxJS,adrianomelo/RxJSNext,martinsik/rxjs,benlesh/RxJS,jayphelps/rxjs,staltz/RxJSNext,justinwoo/RxJS,gjungb/RxJS,justinwoo/RxJS,jinroh/RxJS,adrianomelo/RxJSNext,ReactiveX/rxjs,jadbox/RxJS,Brocco/RxJS,gluck/RxJS,luisgabriel/RxJS,SangKa/RxJS-Docs-CN,adrianomelo/RxJSNext,jaawerth/RxJS-1,gluck/RxJS,ReactiveX/RxJS,luisgabriel/RxJS