Added Sledgehammer
Drill adjustments

Added Dynamite
Renovation Blueprints can no longer be discounted nor copied
Renovation Blueprints now have dedicated spawns on Decoration Days
Adjusted prices for Drill
No longer destroys appliances (can't account for everything that might crash the game when destroyed; this may be turned back on later)
Removed preferences
Updated various graphics

Fixed cost indicator
Drills no longer target outside walls and certain appliances
Wall Duration will no longer show if completed
Fixed Drills showing on their base during the day