refactor(ReplaySubject): rename private properties for consistency
refactor(ReplaySubject): rename private properties for consistency

gluck/RxJS,jayphelps/rxjs,adrianomelo/RxJS-1,figueredo/RxJS,kwonoj/RxJS,benlesh/RxJS,robwormald/RxJS,Brocco/RxJS,benlesh/RxJS,trxcllnt/RxJS,martinsik/rxjs,jayphelps/rxjs,ReactiveX/RxJS,IgorMinar/RxJS,kwonoj/RxJS,elliotschi/rxjs,trxcllnt/RxJS,elliotschi/rxjs,Brocco/RxJS,martinsik/rxjs,martinsik/rxjs,adrianomelo/RxJS-1,Brocco/RxJS,adrianomelo/RxJSNext,robwormald/RxJS,ReactiveX/RxJS,jayphelps/rxjs,elliotschi/rxjs,jayphelps/rxjs,figueredo/RxJS,ReactiveX/rxjs,saneyuki/RxJS,robwormald/RxJS,kwonoj/RxJS,SangKa/RxJS-Docs-CN,Brocco/RxJS,ReactiveX/rxjs,ReactiveX/rxjs,staltz/RxJSNext,gluck/RxJS,saneyuki/RxJS,ReactiveX/RxJS,elliotschi/rxjs,staltz/RxJSNext,RxJS-CN/RxJS-Docs-CN,adrianomelo/RxJS-1,figueredo/RxJS,staltz/RxJSNext,jayphelps/rxjs,figueredo/RxJS,IgorMinar/RxJS,adrianomelo/RxJSNext,SangKa/RxJS-Docs-CN,ReactiveX/RxJS,RxJS-CN/RxJS-Docs-CN,adrianomelo/RxJSNext,staltz/RxJSNext,martinsik/rxjs,robwormald/RxJS,adrianomelo/RxJS-1,RxJS-CN/RxJS-Docs-CN,SangKa/RxJS-Docs-CN,kwonoj/RxJS,benlesh/RxJS,ReactiveX/rxjs,trxcllnt/RxJS,gluck/RxJS,adrianomelo/RxJSNext,gluck/RxJS,RxJS-CN/RxJS-Docs-CN,trxcllnt/RxJS,SangKa/RxJS-Docs-CN,benlesh/RxJS