Implement osForceBreakAllLinks().

Identical to llBreakAllLinks() except that it doesn't require the script to have link permissions.

OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs

@@ -306,6 +306,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
         /// <param name='linknum'></param>
         void osForceBreakLink(int linknum);
 
+        /// <summary>
+        /// Identical to llBreakAllLinks() but does not require permission from the owner.
+        /// </summary>
+        void osForceBreakAllLinks();
+
         /// <summary>
         /// Check if the given key is an npc
         /// </summary>