Merge pull request #6 from panmari/master

Fixed issues mentioned in commits
Reporting time it took to render
Removed test of an not-ready-to-use class
Changed constructor of mesh triangles

Spanning triangle points are now precomputed.
Implemented mesh constructor

acts as an intersectable list filling itself with triangles.
Initializing a mesh in mesh loading test scene
Fixed mesh creation - storing its triangles in its container

since a mesh is a intersectable list we have to flush its container
initially.
Further indexing fixes - WIP
Fixed index accessing issue during triangle creation

+ there are still some bugs present
+ approach seems to be incredibly slow :(
+ reporting how many core threads we are spawning.

Thus, make use of superfastintersection tests asap :D
Fixed triangle intersection check
designed new cli