Bug 923512 - Transition the TransformTo<>() functions from gfx3DMatrix to Matrix4x4. r=kats

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extra : rebase_source : 3a82faa2e95b889cb19db5cc24e24d74e6498f08
Bug 923512 - Introduce strongly-typed coordinate classes. r=kats,Bas

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extra : rebase_source : 22e5fe577ea503aede765c70e16c0bf875c4a9fd