added: sessions data for plugins (plugindata.h plugindata.cpp)

git-svn-id: svn://ttmath.org/publicrep/winix/trunk@598 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/requestcontroller.h

@@ -48,6 +48,7 @@ public:
 	void LoadSessions();
 	void SaveSessions();
 	void SaveSessionsIfNeeded(); // saving only once a day
+	void DeleteAllPluginsData();
 
 	SessionContainer::Iterator SessionBegin();
 	SessionContainer::Iterator SessionEnd();