drawing a triangle using a PolygonRegion
added semi-working Mesh stuff
drawing a different triangle. re-added hud
drawing using textures
moved some classes to the connblocks.gdx package
added a simple white-black gradient effect
gradient is now mirrored
added map with different connection colors to TestPack and using that as levelset, for testing
now using ConnectionActor and shaders to draw connections. Shader currently supports 2 colors
added original default shader for reference
added next button to skip to next level, to simplify debugging
removed SPAM logging of connection color
made connection gradient diagonal