Implemented Plane.Normalize with NUnit tests.
Implemented Plane.Normalize with NUnit tests.


git-svn-id: 5f83b1c70de5d206063ccb651337b8c9002d45c3@320 0d1dca7f-3429-0410-b39c-edaab0c29397

predominant/Mono.XNA,predominant/Mono.XNA,predominant/Mono.XNA,predominant/Mono.XNA