Merge branch 'macgrid' of github.com:mtao/sandbox into macgrid
Fixed a compile error in redundant functiosn index2coord2 and added some comments
Gradient stencil needed tbb which wasnt included
Merge branch 'master' into macgrid
Merge branch 'mesh' of github.com:mtao/graphics-sandbox into mesh
Merge branch 'mesh' of github.com:mtao/graphics-sandbox into mesh
Fixed mesh loader code so it doesnt do anything with string filenames
because that isnt written, added some getters in hetriangle stuff, and
added functionality to find the set of he that identify triangles
uniquely.