Added an ear clipping triangulation implementation
added the option to setup an empty set
eartips can never be reflex
removed the convexVertices list (it was just a negative of the reflex list)
cleanup
migrated from GdxEarClippingTriangulator to org.toxicblend.vecmath.EarClippingTriangulator
Added SutherlandHodgemanRectangularClipper
added "getOne()"
corrected test description
Merge branch 'ead-dev' of github.com:toxicblend/toxicblend into ead-dev