Toggling grass on/off fully tested.

Signed-off-by: Markus Tillman <reetopps6@hotmail.com>
Merge branch 'master' of https://github.com/Malow/NDYGFX
Added support for setting a minimum and maximum rendering distance for billboard collections.

Signed-off-by: Markus Tillman <reetopps6@hotmail.com>
Removed comments

Signed-off-by: Markus Tillman <reetopps6@hotmail.com>
Merge branch 'master' of https://github.com/Malow/NDYGFX