Smaller bugfixes.

Smaller bugfixes.

Improved a few presets, added a handful of new ones, and re-ordered all presets to roughly follow time of day.

Added five new presets - one inspired by the Liberation daytime settings, and four true night time presets where visibility is far, far more limited.

* Added a "Previous Weather" button so that it's easy to step back and forth between the presets.
* These buttons are now ensured to always be a lower priority than any that would normally show in those spaces, so gameplay is never affected.
* Ensured the mod works with the added Liberation MP maps.

Small fixes to various presets.

Consolidated Clear 1 and Clear 2 into a single preset, and added a new preset in Clear 2's place.

Added 3 new weather presets:

• Overcast 8 - Rainy and murky, suitable for marshes and swamps.
  
• Cold 5 - Darker, greenish lighting and mild snow.
  
• Cold 6 - Snowstorm at daytime. Bright, neutral colors.

Fixed a bug that caused some weather presets to not appear on the 'Hills' map.

Did a pass on audio, making sure all weather presets have appropriate environmental sounds. Also added two new presets.