v0.16.0

Add custom panorama in the main menu

Add predefined generation types

Tweaks loots and chest repartition :

• Decrease probability to loot mags of non-basic pistols
• Add probability to loot the glock13 mag
• Basic chest is less scarce and other types of chest become more rare.
• Delete the "important" loot in basic chest
• Change repartition of guns and mags