Small fixes later today

Later today Aurum will be updated with the following:

The following changes to the hotkeys have been made:

• F2 F3 F4: No open edit mode or just go, with the needed tab
  
• F8: Now opens the overlay overview
  

1. The F1 crascourse window has been updated
   

Shift fixes:

1. Fixed color picker not always supporting shift (to show overlay as is)
   
2. Made reset the shift function on entering editmode to prevent stuck shift
   

• Also made sure windows with corrupt performance counters get informed