Release 2.0.0-rc.4
Release 2.0.0-rc.4

szyablitsky/react_on_rails,szyablitsky/react_on_rails,shakacode/react_on_rails,shakacode/react_on_rails,szyablitsky/react_on_rails,shakacode/react_on_rails,shakacode/react_on_rails,shakacode/react_on_rails,szyablitsky/react_on_rails