Use correct type for thinktime
mint-arena: Make EV_USE_ITEMx a single switch case in cgame

Add EV_USE_ITEM15 in CG_EntityEvent and BotCheckEvents.
Made EV_DEATH[123] show number in cg_debugevents printf.
mint-arena: Remove some unused struct members and LTG_* defines
mint-arena: Make missionpack cvars with SERVERINFO using SYSTEMINFO

g_enableDust, g_enableBreath, and g_obeliskRespawnDelay aren't needed in server browsers.
mint-arena: Make STAT_* values the same in q3 and team arena
Merge remote-tracking branch 'mint-arena/master'