Add support for two non-SL grid features/flags.

Adds support for GamingData cap, and flags: PF_GAMING, DFQ_FILTER_GAMING, REGION_FLAGS_GAMING, and REGION_FLAGS_HIDE_FROM_SEARCH
Adds GamingCheck to floater_about_land.xml
Adds filter_gaming checkboxes to floater_directory* xmls
Adds "is gaming" and "hide from search" checkboxes to floater_god_tools.xml

indra/newview/llpaneldirland.cpp

@@ -52,6 +52,7 @@
 #include "lltextbox.h"
 #include "llviewercontrol.h"
 #include "llviewermessage.h"
+#include "llviewerregion.h"
 
 #include "hippogridmanager.h"
 
@@ -125,6 +126,8 @@ BOOL LLPanelDirLand::postBuild()
 		}
 	}
 
+	childSetVisible("filter_gaming", !gAgent.getRegion()->getCapability("GamingData").empty());
+
 	return TRUE;
 }
 
@@ -213,6 +216,11 @@ void LLPanelDirLand::performQuery()
 	{
 		query_flags |= DFQ_INC_ADULT;
 	}
+
+	if (childGetValue("filter_gaming").asBoolean())
+	{
+		query_flags |= DFQ_FILTER_GAMING;
+	}
 	
 	// Add old flags in case we are talking to an old dataserver
 	if (inc_pg && !inc_mature)