Merge pull request #40 from pleroy/OrthogonalMaps

Orthogonal maps
Messed up merge
Merge branch 'master' into GTests

Conflicts:
	geometry/geometry.vcxproj
	geometry/geometry.vcxproj.filters
Remove old tests.
Quaternion
Remove old test.
Merge pull request #42 from pleroy/GTests

Converting tests for Rotation and Quaternion