New camera framework
LoadIdentity fix

Barthold said this caused trouble, but didnt
Added test render

Added some old code for test rendering porpouses
Commenting

Added comments
Delta time fix

Now gives the delta in seconds instead of milliseconds
Camera input and working

Made the camera work, although very simplistic. Also modified the test
squad.
Camera mouse input

Added mouse input for the camera
Merge remote-tracking branch 'origin/camera'