- simplified devser queue

- added inherited sct variables starting with @
- inserted SctIsPending / DevIsPending
- some general improvements in scriptcontext.c/sctdriveobj.c

scriptcontext.h

@@ -35,4 +35,15 @@ int SctCallInContext(SConnection * con, char *script, Hdb * node,
  * \return 1 for verbose, 0 for silent
  */
 int SctVerbose(SctController * c);
+
+
+/**
+ * check if the specified action is pending
+ * \param controller  the SctController
+ * \param node  the node
+ * \param name  the action
+ * \param kind  0 for queued action, 1 for polled action
+ * \return 1 for pending, 0 for not pending
+ */
+int SctIsPending(SctController *controller, Hdb * node, char *name, int kind);
 #endif