Data: Remove LinkedList and SingleNode sources.
Texture: Commentation changes.
Texture: Error-checking only for debug builds.
ShaderProgram: No longer deleting shaders.
End-user may want to re-use a shader.
Build: Postfixing debug outputs with "d"
Build: Hackishly changing GLFW3's output lib suffix.
Quaternion: Axis and Real constructor.
Quaternion: Copy constructor.
Quaternion: Using Vector4 and Scalar for axis/real
Quaternion: Compound assignment operators
Quaternion: Operators return copies, not constrefs
Quaternion: Operator implementations.
Quaternion: Add Length and LengthSq methods
Quaternion: Normalize and Normalized implementations
Quaternion: Add unary operator-
Quaternion: Invert and Inverted implementations
Matrix: Add new constructor with all 16 values
Quaternion: Add GetAxis/Angle methods
Quaternion: Add ToMatrix method
Quaternion: Add FromEulerAngles static method