Added Matrix3 functions
Adding transform from scaled space to Ellipsoid.
Matrix3 tests
Updated CHANGES.md
Adding missing ellipsoid scaled space tests.
Merge branch 'master' into matrix

Conflicts:
	CHANGES.md
Fixed Matrix3.inverse documentation.
Merge pull request #1306 from fstoner/matrix

Matrix
Remove old doc
Remove unused modules.

Found by running JSHint with "unused": "strict" in the Source directory.
Merge pull request #1307 from AnalyticalGraphicsInc/removeUnusedModules

Remove unused modules.
Remove 'on' prefix from event names
Update CHANGES.md
Rename onDropError to dropError
Update CHANGES.md