1.15: Reworked main menu, bug fixes

1.15:

• Reworked main menu

• Sped up 'hold to move through window' key press

• Decreased NPC taser shot distance

• Fixed not being able to open chat while carrying items

• Night length increased further

• Fixed repeating voice line when failing the quota

• Added local avoidance around players for NPCs to prevent being pushed into walls

• Toned down wandering policemen (slower anger growth)

• Improved save data system; corrupted saves are now detected and the player is informed about the backup

• Possibly fixed corrupted save file on quitting the game forcefully