Added explicit texture reloading. Accessable in the 'tools' submenus for the agent, avatars, and selected objects.

indra/newview/llviewertexture.h

@@ -504,6 +504,8 @@ public:
 	void        setCanUseHTTP(bool can_use_http) {mCanUseHTTP = can_use_http;}
 
 	void        forceToDeleteRequest();
+	void		forceRefetch();
+
 protected:
 	/*virtual*/ void switchToCachedImage();
 	S32 getCurrentDiscardLevelForFetching() ;