Stun bricks and friends

A few new bricks have been added including the stun turret and charging bricks. Diamond levels have been updated and i have moved some code behind functions to make the game use less resurces. [h1]New features[/h1] [list] [*] Stun turret brick. (Low life, Stun weapon.) [*] Charging brick. (Low life. Charging and destroying other bricks.) [*] Glass brick. (Low life but high armor. Almost invisible at max life.) [*] Mud brick. (Medium life and high armor against plasma guns.) [*] Sand stone brick. (High life and high armor against fire.) [*] Active brick slave. (Low life, immune to AOE.) [*] Active brick master. (Low life, immune to AOE and activation destroyes all slaves.) [/list] [h1]Other[/h1] [list] [*] More of the level code is only processed when the objects are present. (The CPU will only need to run the code when its needed.) [*] Demo update to current patch. [/list]