react.1.2.1

ok st_393a870ca601c908babdda687529354e
[ compiler.4.07.0+24fac73 conf-m4.1 ocamlbuild.0.12.0 ocamlfind.1.8.0 jbuilder.1.0+beta13 result.1.3 topkg.0.9.1 react.1.2.1 ]

ok st_7a28032aa1fd87de0790f15c344fad6e
[ compiler.4.07.0+24fac73 conf-m4.1 ocamlbuild.0.9.2 ocamlfind.1.8.0 result.1.0 topkg.0.9.1 react.1.2.1 ]