0.10.2

Fix loading classic campaigns, and some miscellaneous enhancements

• Fix loading classic campaigns #692 (reported by @viki-t-s)
• Fix PVP rounds not ending
• Fix missing mouse cursor and trail
• Fix linux build #683 (@bayandin, reported by @katp32)
• Fix dogfight scores not updated properly
• Add peaked cap hat #687
• Add soldier body type #13
• Improve weapon equip menu, show available weapons, allow gun swapping #629 #630 (reported by @Wuzzy2)
• Improve game startup by skipping mission briefing if it is empty #688