StartSimluation

Partially changed start simluation
pre-created simulations

they are transfered
gitignore

no account of build modifications
Revert "gitignore"

This reverts commit fd4600cf6df92c60dc443d0b160d0ee392714187.
Cleaning

Put back drawing functions and removed unused variables
Timer to Cortex

OpenGl refresh rate is now controlled by the cortex. To change we have
to recompile.