- Fixes to NXscript

- Added Pause and Continue commands
- Fixed simulation counter to deal properly with pause
- Fixed nxdict HDF5 problem


SKIPPED:
	psi/makefile_alpha
	psi/nextrics.c
	psi/nxsans.c

devexec.w

@@ -277,6 +277,17 @@ to the global SICS device executor.
     connection with non blocking operation  such as motors started
     with run.
   */
+  int PauseAction(SConnection *pCon, SicsInterp *pSics, void *pData,
+              int argc, char *argv[]);
+  /*
+    pauses execution
+  */
+  int ContinueAction(SConnection *pCon, SicsInterp *pSics, void *pData,
+              int argc, char *argv[]);
+  /*
+   continues execution
+  */	
+   
 /*--------------------------- Locking ---------------------------------*/
  @<devlock@> 
 /* -------------------------- Executor management -------------------------*/