Add some comments and indent meanwhile decided if applied TAB to SPACES.
Non very code, only add comments and indent
Fix Softimage builds message error.
Start change some heads to TheBounty names
Small improve readability for code definitions
Add indent spaces to info badge text.
Add test for use float instead  defined PFLOAT.
Add small update code from glossy.cc  for 'vector3d_t N' definition
Add indent spaces for more console messages from translucent SSS material.
Add cancel render progress by click 'ESC' or 'exit render' Blender UI,
now it is allowed exit from 'create SSS maps' if have any error.(wip)
Added small improvement to IOR case values, from 'papers':
seem's not very useful because IOR values for SSS materials is  in most cases bigger than zero.
Added some defines (M_1_PI_4,  M_1_PI_8) for use instead make it operations. Aim to improve speed.