Reloaded 1.2 Balance Hotfix

- story Impossible scores save fixed
- when enemies are destroyed by shield explosions kills are now counted as player kills
- guns and plasma has bigger dmg boost if upgraded to max (not gold one)
- some enemies hp has been decreased on level 7
- level 5 final boss angle shoot bullet speed has been decreased
- added information about 1st place on game over screen
- perk screen is wider to display descriptions properly