	- Jorrit optimized csXRotMatrix3, csYRotMatrix3, and csZRotMatrix3 	  by avoiding unneeded extra calls to cos and sin.
	- Jorrit optimized csXRotMatrix3, csYRotMatrix3, and csZRotMatrix3
	  by avoiding unneeded extra calls to cos and sin.


git-svn-id: 28d9401aa571d5108e51b194aae6f24ca5964c06@21713 8cc4aa7f-3514-0410-904f-f2cc9021211c

crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS