Allow Mono Plugin Registry setting for Regions

Signed-off-by: Melanie <melanie@t-data.com>

bin/OpenSimDefaults.ini

@@ -57,6 +57,12 @@
     ; when running with the SmartThreadPool option above
     MaxPoolThreads = 15
 
+    ; Plugin Registry Location
+    ; Set path to directory for plugin registry. Information about the 
+    ; registered repositories and installed plugins will be stored here.
+    ; The OpenSim.exe process must have R/W access to the location.
+    ; RegistryLocation = "."
+
     ; ##
     ; ## CLIENTS
     ; ##