v2.0.0-rx Added support RxJava2 for module ferro-rx
Add support RxJava2 for module ferro-rx. Instead OperatorFreeze added ObservableOperatorFreeze, MaybeOperatorFreeze, SingleOperatorFreeze, CompletableOperatorFreeze, FlowableOperatorFreeze.
Add support RxJava2 for module ferro-rx. Instead OperatorFreeze added ObservableOperatorFreeze, MaybeOperatorFreeze, SingleOperatorFreeze, CompletableOperatorFreeze, FlowableOperatorFreeze.