v0.1.11-alpha

• Fix for lookout bell not ringing (incorrect case in lookout bell filename)
• New Window Manager (so you can summon/dismiss windows you're not interested in
• Vertical scrollbars for all windows
• Vessel automatically scans; in most situations you shouldn't need to press V.
• Performance improvements for Deck Orders and Supercargo (they were performing expensive scans unnecessarily)
• Fix First Officer issuing impossible navigation orders at night
• Deckhands can clean the ship (still needs testing)
• Lookouts will issue a "collision imminent" warning with a new bell when they think you're ~60 seconds away from collision, should wake the player if sleeping