minor editing
Merge branch 'master' of https://github.com/AbFab3D/AbFab3D
minor
Merge branch 'master' of https://github.com/AbFab3D/AbFab3D

Conflicts:
	test/junit/abfab3d/mesh/TestMeshDecimatorMT.java
small edit
Merge branch 'master' of https://github.com/AbFab3D/AbFab3D

Conflicts:
	test/junit/abfab3d/grid/op/TestDilationShapeMT.java
	test/junit/abfab3d/mesh/TestMeshDecimatorMT.java
Merge branch 'master' of https://github.com/AbFab3D/AbFab3D
Fixed handling for PNG image with 16 bits and 2 data component
Added TriangulatedModels class to hold various generators of models
Merge branch 'master' of https://github.com/AbFab3D/AbFab3D