Renamed various variables and reworked some of the branches within the code.
Added rain drops that animate their way down the screen.
Added improved rain design. Removed old rain textures.
Increased the size of the drops once more.
Ensured that when a player is wearing glasses that offer no "glasses" like the new bandannas the rest of the system treats them essentially as the unit not wearing glasses. Because they're not.
Merge pull request #1070 from CorruptedHeart/GogglesUpdate

https://github.com/KoffeinFlummi/AGM/issues/1013