move headless to its own backend
mock elements
build.xml for headless backend
add headless GraphicsType
Initial commit for libgdx ios gradle support in the cli
Merge remote-tracking branch 'upstream' into headless
ParticleEffect: Use Writer instead of File in save method
This way the GWT emu for ParticleEffect is no longer needed.
give delta time for headless graphics
move package declaration
CHANGES
Reduced unneeded net classes
Avoid instantiation of non-static classes
with enclosing types in GWT Reflection Cache
Merge pull request #1204 from anserran/reflection

Avoid instantiation of non-static classes with enclosing types in GWT Reflection Cache
Fix trying to read pixels outside the framebuffer
Merge pull request #1205 from alex55i/master

Fix ScreenUtils reading pixels outside the framebuffer
add isUnit and isZero to Vector2 (based on Vector3)
add setFlip, getFlipX, getFlipY and tracking of flip state to Sprite.java
DOES consider negative coords in constructor
we need to make everything with gradle
copy flipX,flipY in Sprite.set method