Update 2.4 - bugfixes and improvements

I have uploaded an update to improve a number of issues that crept in and make some all-around improvements. It is live on preview now, if there are no issues it will go live on the main branch in a few days.

Here's the list of changes:

• Fixed the vegetation and ground texture on Kroburg, RefugeeCamp
  
• Fixed a rare mouse input issue on Windows
  
• Improved resolution of some textures (buildings, mostly)
  
• Improved anti-aliasing should remove or at least considerably reduce the shadow "shimmering" effect
  
• Improved positional sound effects
  
• Slightly improved loading times
  
• Slighly improved particle effects
  
• Improved debug/error output to make finding bugs easier
  
• Slightly improved memory management
  
• Reduced texture memory usage on low quality settings for those with older computers
  
• Improved texture and audio data handling
  
• Lots of cleanup and minor fixes
  
• Updated engine version