Fixed linking order to compile on linux.
Added color wheel method to DrawObj.

Given an angle a different color will be returned.
Add norm vec for triangles.
Improved subsurface tag sorting function.
Prevented seg fault when an empty vector is passed to interpolation method
from surf to vspsurf.
Fixed triangle classification error for CFDMesh.

The triangles needed to be classified before the simple triangle vector
was condensed.
Added tag visualization to CFDMesh.
Useful test method for adding test intersection lines to CFDMesh.
Change menubar and group size to improve resizing behavior.
Added ability to color tags in a mesh geom.

Currently no way from gui to make tags colored for a mesh geom.
Made SubSurfaceMgr's single tag map a protected member.
Modified Subsurfaces to use render as line strips since that render type is now supported.
Made subsurface draw lines show up on all surfaces of a component.
Removed some unused methods from TMesh.
Merge branch 'Subsurface'