jME 3.10.0-beta1

Looks like the nifty gui implementation is assuming every image passed to it is RGBA, unless it’s on GLES… not sure about the reason of this hack, but basically it worked before because the AWT loader did not respect the source format and just expanded everything to rgb. It should be fixed by this pr: fix nifty to support non rgba images in non-gles backends by riccardobl · Pull Request #2842 · jMonkeyEngine/jmonkeyengine · GitHub