Fixed triangleCentroid.
Merge branch 'origin/master'
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
added RoboVM version of Cuboc
Added ConvexHull.
Merge branch 'origin/master'
added robovm to libgdx setup config
Changed the sorting to preserve the original point indices.
Added GeometryUtils so we don't stick everything in Intersector.
Updated changes.
added robovm to setup-ui