Version 0.9.4

Mechanics:

-The quarry has to be placed on top of the random generated rock again
 ->The quarry can now be placed on all four sides of the rock

Balancing:

-Reduced the cost of the tailory and sheep farm by 2 stones
-Reduced the knights health from 800 to 600
-Increased the knight damage from 8 to 10
-Reduced the healers cooldown from 15 to 12 sec
-Reduced the crossbow units range from 70 to 50 (same now as archers)

Bugfixes:

-The tailoress couldn't find a workplace
-The tailory couldn't get desroyed by enemies
-The "selected units" window sometimes showed units that were not selected