added where operation to Observable
added where operation to Observable

mattrjacobs/RxJava,msdgwzhy6/RxJava,ashwary/RxJava,sitexa/RxJava,HuangWenhuan0/RxJava,nurkiewicz/RxJava,androidgilbert/RxJava,marcogarcia23/RxJava,picnic106/RxJava,pitatensai/RxJava,sanxieryu/RxJava,jbripley/RxJava,vqvu/RxJava,A-w-K/RxJava,puniverse/RxJava,jacek-rzrz/RxJava,hyarlagadda/RxJava,maugomez77/RxJava,suclike/RxJava,zhongdj/RxJava,aditya-chaturvedi/RxJava,davidmoten/RxJava,HuangWenhuan0/RxJava,zjrstar/RxJava,HuangWenhuan0/RxJava,b-cuts/RxJava,wlrhnh-David/RxJava,tombujok/RxJava,benjchristensen/RxJava,cgpllx/RxJava,cloudbearings/RxJava,zhongdj/RxJava,dromato/RxJava,gjesse/RxJava,ypresto/RxJava,abersnaze/RxJava,cloudbearings/RxJava,A-w-K/RxJava,jacek-rzrz/RxJava,onepavel/RxJava,marcogarcia23/RxJava,msdgwzhy6/RxJava,wrightm/RxJava,TracyLu/RxJava,ayushnvijay/RxJava,zjrstar/RxJava,elijah513/RxJava,spoon-bot/RxJava,kuanghao/RxJava,srayhunter/RxJava,TracyLu/RxJava,stevegury/RxJava,androidyue/RxJava,mobilist/RxJava,eduardotrandafilov/RxJava,abersnaze/RxJava,rabbitcount/RxJava,ayushnvijay/RxJava,lncosie/RxJava,ppiech/RxJava,wehjin/RxJava,randall-mo/RxJava,nvoron23/RxJava,zhongdj/RxJava,zsxwing/RxJava,takecy/RxJava,duqiao/RxJava,runt18/RxJava,wrightm/RxJava,maugomez77/RxJava,markrietveld/RxJava,zsxwing/RxJava,forsail/RxJava,puniverse/RxJava,nkhuyu/RxJava,akarnokd/RxJava,mattrjacobs/RxJava,YlJava110/RxJava,takecy/RxJava,xfumihiro/RxJava,yuhuayi/RxJava,NiteshKant/RxJava,frodoking/RxJava,NiteshKant/RxJava,klemzy/RxJava,Godchin1990/RxJava,Siddartha07/RxJava,bboyfeiyu/RxJava,picnic106/RxJava,ronenhamias/RxJava,forsail/RxJava,vqvu/RxJava,nvoron23/RxJava,ruhkopf/RxJava,randall-mo/RxJava,reactivex/rxjava,artem-zinnatullin/RxJava,Shedings/RxJava,mttkay/RxJava,Eagles2F/RxJava,jtulach/RxJava,androidgilbert/RxJava,gjesse/RxJava,nkhuyu/RxJava,shekarrex/RxJava,Shedings/RxJava,southwolf/RxJava,Bobjoy/RxJava,Godchin1990/RxJava,stevegury/RxJava,cloudbearings/RxJava,davidmoten/RxJava,simonbasle/RxJava,KevinTCoughlin/RxJava,ibaca/RxJava,sunfei/RxJava,YlJava110/RxJava,ashwary/RxJava,lncosie/RxJava,southwolf/RxJava,forsail/RxJava,java02014/RxJava,yuhuayi/RxJava,simonbasle/RxJava,runt18/RxJava,Turbo87/RxJava,androidyue/RxJava,abersnaze/RxJava,shekarrex/RxJava,sposam/RxJava,Bobjoy/RxJava,marcogarcia23/RxJava,ronenhamias/RxJava,stevegury/RxJava,duqiao/RxJava,AmberWhiteSky/RxJava,sanxieryu/RxJava,wlrhnh-David/RxJava,Turbo87/RxJava,KevinTCoughlin/RxJava,nkhuyu/RxJava,hyarlagadda/RxJava,b-cuts/RxJava,ashwary/RxJava,ChenWenHuan/RxJava,KevinTCoughlin/RxJava,wehjin/RxJava,eduardotrandafilov/RxJava,sposam/RxJava,tilal6991/RxJava,lijunhuayc/RxJava,zjrstar/RxJava,frodoking/RxJava,nurkiewicz/RxJava,wrightm/RxJava,ronenhamias/RxJava,davidmoten/RxJava,YlJava110/RxJava,devagul93/RxJava,Siddartha07/RxJava,srayhunter/RxJava,ruhkopf/RxJava,mobilist/RxJava,klemzy/RxJava,hyarlagadda/RxJava,nvoron23/RxJava,Godchin1990/RxJava,Ribeiro/RxJava,onepavel/RxJava,srayhunter/RxJava,tilal6991/RxJava,fjg1989/RxJava,Ryan800/RxJava,TracyLu/RxJava,b-cuts/RxJava,nurkiewicz/RxJava,hzysoft/RxJava,ypresto/RxJava,frodoking/RxJava,devisnik/RxJava,sunfei/RxJava,Ribeiro/RxJava,tombujok/RxJava,mttkay/RxJava,hyleung/RxJava,ChenWenHuan/RxJava,puniverse/RxJava,AttwellBrian/RxJava,xfumihiro/RxJava,Ryan800/RxJava,eduardotrandafilov/RxJava,Eagles2F/RxJava,mattrjacobs/RxJava,java02014/RxJava,ypresto/RxJava,ppiech/RxJava,devisnik/RxJava,Ribeiro/RxJava,maugomez77/RxJava,weikipeng/RxJava,hyleung/RxJava,jbripley/RxJava,rabbitcount/RxJava,jacek-rzrz/RxJava,yuhuayi/RxJava,kuanghao/RxJava,fjg1989/RxJava,vqvu/RxJava,tilal6991/RxJava,cgpllx/RxJava,Siddartha07/RxJava,java02014/RxJava,devisnik/RxJava,elijah513/RxJava,hzysoft/RxJava,markrietveld/RxJava,A-w-K/RxJava,klemzy/RxJava,dromato/RxJava,randall-mo/RxJava,ayushnvijay/RxJava,ppiech/RxJava,artem-zinnatullin/RxJava,devagul93/RxJava,AmberWhiteSky/RxJava,sitexa/RxJava,suclike/RxJava,akarnokd/RxJava,picnic106/RxJava,ibaca/RxJava,Eagles2F/RxJava,onepavel/RxJava,devagul93/RxJava,pitatensai/RxJava,ReactiveX/RxJava,simonbasle/RxJava,gjesse/RxJava,aditya-chaturvedi/RxJava,msdgwzhy6/RxJava,AmberWhiteSky/RxJava,sunfei/RxJava,lncosie/RxJava,lijunhuayc/RxJava,AttwellBrian/RxJava,tombujok/RxJava,abersnaze/RxJava,Shedings/RxJava,weikipeng/RxJava,ChenWenHuan/RxJava,kuanghao/RxJava,southwolf/RxJava,mttkay/RxJava,jbripley/RxJava,runt18/RxJava,aditya-chaturvedi/RxJava,ReactiveX/RxJava,sposam/RxJava,shekarrex/RxJava,reactivex/rxjava,xfumihiro/RxJava,suclike/RxJava,elijah513/RxJava,zsxwing/RxJava,sanxieryu/RxJava,hyleung/RxJava,pitatensai/RxJava,devisnik/RxJava,markrietveld/RxJava,androidyue/RxJava,ibaca/RxJava,sitexa/RxJava,Turbo87/RxJava,weikipeng/RxJava,takecy/RxJava,wehjin/RxJava,lijunhuayc/RxJava,duqiao/RxJava,jtulach/RxJava,dromato/RxJava,androidgilbert/RxJava,Bobjoy/RxJava,ruhkopf/RxJava,Ryan800/RxJava,cgpllx/RxJava,hzysoft/RxJava,wlrhnh-David/RxJava,spoon-bot/RxJava,rabbitcount/RxJava,fjg1989/RxJava,bboyfeiyu/RxJava