Patch 1.31 - optimization, win10 compatiblity improvement

This patch introduces optimization changes that include smaller size textures and turning off shadows. These two options are now available in the game launcher. Optimization improvements have a better change to be noticeable on machines with good CPU since the graphics might not be the only reason for slowness.

Win10 compatibility has been improved.

There is no timer anymore in the launcher that requires to reboot system if it was up too long.

Various scripting and text errors have been corrected.