Cleaned up ANSTO code to merge with sinqdev.sics

This is our new RELEASE-4_0 branch which was taken from ansto/93d9a7c
Conflicts:
	.gitignore
	SICSmain.c
	asynnet.c
	confvirtualmot.c
	counter.c
	devexec.c
	drive.c
	event.h
	exebuf.c
	exeman.c
	histmem.c
	interface.h
	motor.c
	motorlist.c
	motorsec.c
	multicounter.c
	napi.c
	napi.h
	napi4.c
	network.c
	nwatch.c
	nxscript.c
	nxxml.c
	nxxml.h
	ofac.c
	reflist.c
	scan.c
	sicshipadaba.c
	sicsobj.c
	site_ansto/docs/Copyright.txt
	site_ansto/instrument/lyrebird/config/tasmad/sicscommon/nxsupport.tcl
	site_ansto/instrument/lyrebird/config/tasmad/taspub_sics/tasscript.tcl
	statusfile.c
	tasdrive.c
	tasub.c
	tasub.h
	tasublib.c
	tasublib.h

event.tex

@@ -60,6 +60,8 @@ $\langle$VE {\footnotesize ?}$\rangle\equiv$
 \mbox{}\verb@#define STEND      22@\\
 \mbox{}\verb@#define NEWTARGET  23@\\
 \mbox{}\verb@#define DIMCHANGE  24@\\
+\mbox{}\verb@#define IPAUSE      25@\\
+\mbox{}\verb@#define CONTINUE   26@\\
 \mbox{}\verb@@$\Diamond$
 \end{list}
 \vspace{-1ex}
@@ -99,8 +101,11 @@ operation.
 \item[HDBVAL] The Hdb is notified of a value change. The eventData will be 
  the object on which the data changed.
  \item[NEWTARGET] is invoked when a new target has been set on a drivable.
+\item[PAUSE] Pause counting
+\item[CONTINUE] Continue counting
 \end{description}
 
+
 Furthermore event contains system wide signal codes which are interpreted in 
 the  signal functions provided by each SICS task. These code are
 evaluated by the TaskSignalFunction which may be configured for each