Implement global loot system Fixes #619

This should allow us to emulate lives global tables

The options available to filter tables are min_level, max_level, race,
rare, raid, race, class, bodytype, and zone.

race, class, bodytype, and zone are a pipe | separated list of IDs

zone/CMakeLists.txt

@@ -68,6 +68,7 @@ SET(zone_sources
 	exp.cpp
 	fearpath.cpp
 	forage.cpp
+	global_loot_manager.cpp
 	groups.cpp
 	guild.cpp
 	guild_mgr.cpp
@@ -158,6 +159,7 @@ SET(zone_headers
 	errmsg.h
 	event_codes.h
 	forage.h
+	global_loot_manager.h
 	groups.h
 	guild_mgr.h
 	hate_list.h