|SOURCE|
[EditorViewport]
* Added scale for the ortographic viewport to zoom in and out of a scene
* Added matrices to hold the view and projection matrices
* RecreateProjectionMatrix uses the zoom and translation values to recaclculate
  the projection matrix
* Removed debug messages
* Text colour changed to white
[MainWindow]
* The first viewport added is created with a perspective projection while the
  second one is created with an orthogonal projection