v0.6

Changes

• Fixed several UI display bugs
• Fixed flickering on download window
• Improved UI when Locomotion not detected
• Added more train colors
• Moved several images to resources
• Automatically start the game if no updates are available
• Added configurable options
  -- automatically start the game and seconds to wait before starting
  -- show locomotion intro ( --intro option passed to openloco.exe)
  -- change log level (--log_levels passed to openloco.exe)