Add toBlocking to RxScala and deprecate toBlockingObservable
Add toBlocking to RxScala and deprecate toBlockingObservable

samuelgruetter/RxScala,samuelgruetter/RxScala,hermanbanken/RxScala,hermanbanken/RxScala,jbripley/RxScala,jbripley/RxScala,ReactiveX/RxScala,zjrstar/RxScala,zhongdj/RxScala,TracyLu/RxScala,joohnnie/RxScala