First header
Merge branch 'master'
Implementation and first test.
On the back burner.  We need quaternions.
First cut
Implementation complete, waiting for algebraic test.
Merge branch 'master' into Quaternions
Tests
More tests
Done with unit testing
After eggrobin's review
Cleanup
Cleanup
Merge pull request #31 from pleroy/Quaternions

Quaternions
Merge branch 'master' into Rotation

Conflicts:
	GeometryTests/GeometryTests.vcxproj.filters
Quaternion-based implementation
F*cking Visual Studio doesn't work
Tests
Test done
Readying