Matrix: Implemented orthogonal projection matrix.
Matrix: Added perspective projection matrix.
Matrid: Added basic view matrix. Not completely sure that it is accurate. But it currently gives the same result as another implementation I compared with.
Matrix: Removed unnecessary static_casts.
Matrix: Removed unimplemented function.
Merge pull request #17 from SkipIfZero/feature/projection_matrixes

Feature/projection matrixes