Update v.0.47

Update v.0.47:

• Issues with building placement fixed

Update v.0.46:

• Bug fixed: Instead of the M8 greyhound a german light tank was spawned
• Improved: Zombie scores can now only be uploaded to the leaderboard if > 0
• Changed: Zombie waves now spawn more zombies

Update v.0.45:

• Bug fixed: Unable to zoom after closing the construction panel manually
• Improved: Pressing "shift" while in build mode selects the last placed building type (if not moving the camera with keys at the same time)
• Improved: Watchtower grants a range bonus of +25 (instead of +16)
• Bug fixed: Units not finishing "ladder climbing" animation