Patch 1.01

General optimisation patch for One Button Blaster 1.01!

This patch is a general tidy up of code that was put together quickly for the game jam. It does have some notable optimisation points too.

- Removed large number of unnecessary calls to "GetComponent"

- Reduced lighting system by no longer having energy particles receive shadows (They are emissive objects and so it would not be seen)

- Reduced unnecessary particle effect complexity

- Enabled GPU Instancing for all materials