Fix for https://github.com/CreateJS/PreloadJS/issues/126, where sub-manifest items would not propagate up properly.
Fix for https://github.com/CreateJS/PreloadJS/issues/126, where sub-manifest items would not propagate up properly.

SpringRoll/PreloadJS,andrew168/PreloadJS,andrew168/PreloadJS,not-only-code/PreloadJS,Teino1978-Corp/Teino1978-Corp-PreloadJS,CreateJS/PreloadJS,Teino1978-Corp/Teino1978-Corp-PreloadJS,ebabel-eu/PreloadJS,cnbin/PreloadJS,sokeroner/PreloadJS,tehvgg/PreloadJS,cnbin/PreloadJS,SpringRoll/PreloadJS,sokeroner/PreloadJS,dmnsgn/PreloadJS,CreateJS/PreloadJS,tehvgg/PreloadJS