Estate series, patch 9 (#9157)

Adds the new access semantics and the new flag (allow only age verified)
Plumbs in the abuse email address from sim to viewer. The other way around,
libomv appears to be lacking support for the data field in the packet.
Includes a migration, run prebuild!

OpenSim/Framework/EstateSettings.cs

@@ -231,6 +231,14 @@ namespace OpenSim.Framework
             set { m_EstateOwner = value; }
         }
 
+        private bool m_DenyMinors = false;
+
+        public bool DenyMinors
+        {
+            get { return m_DenyMinors; }
+            set { m_DenyMinors = value; }
+        }
+
         // All those lists...
         //
         private List<LLUUID> l_EstateManagers = new List<LLUUID>();