Acceleration of Plane primitive


Done:
- sizeof( PLANES ) is smaller ( only 3.1 )
- PLANES methods accelerated

Modified files:
- planes.c
- planes.h ( only 3.1 )
- quadric.c ( only 3.1 )

Test & Source 3.1 ( 67 199b )
Test & Source 3.5 ( 19 934b )