math: Less division, some code clean-up

Signed-off-by: Paul Holden <paulholden2@gmail.com>
Clean-up FBX code

- Not distinguishing between FBX binary and text formats any longer, will
  only use binary formats. If text format support is ever required, it can
  be added with its own source and header files.

Signed-off-by: Paul Holden <paulholden2@gmail.com>
Remove a handful of testing heightmaps

Signed-off-by: Paul Holden <paulholden2@gmail.com>
mesh: Remove unnecessary multi-line function decls

Signed-off-by: Paul Holden <paulholden2@gmail.com>
Remove more multi-line function decls

Signed-off-by: Paul Holden <paulholden2@gmail.com>
core/bmsbuf.h: Tweak param name in decls

Signed-off-by: Paul Holden <paulholden2@gmail.com>
gfx/shader: create/destroy -> init/deinit

- Renaming these functions to be in line with other initialization and
  deinitialization routines in for other objects.

Signed-off-by: Paul Holden <paulholden2@gmail.com>
Merge branch 'tweaks'

Signed-off-by: Paul Holden <paulholden2@gmail.com>