Delta multiplier added to Editor Properties.
New emitters are configured as bare-boned skeletons.

Initial emitter remains the same however.
Add ScreenAdapter.java for GWT
Create ScreenAdapter.java
ParticleEmitter now resets the active particles too.
Added bounding box for particle effects.
Edited CHANGES file.
Add DepthShader
Add basic shadow mapping
Add shadow mapping to the tests
Delaunay triangulation.
More interesting test.
Fixed convcavity caused by a too small super triangle.

This caused many triangles to be created with super triangle vertices, which left concave points when deleted.
Removed test seed.
Optimizations, bug fixes.
Minor optimizations.
Fixed NinePatch copy constructor.
robovm tests are working now
Merge branch 'master' of https://github.com/libgdx/libgdx
removed incomplete shader graph impl