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

asynnet.h

@@ -145,6 +145,14 @@ int ANETinfo(int handle, char *hostname, int hostNameLen);
  * \return 1 on success, 0 on failure
  */
 int ANETwrite(int handle, void *buffer, int count);
+/**
+ * \brief Test if the buffer can be written to the network
+ * \param handle The handle for the connection
+ * \param buffer A pointer to the data to write
+ * \param count The number of bytes to write.
+ * \return 1 when possible, 0 when buffer overrun
+ */
+int ANETcanWrite(int handle, void *buffer, int count);
 /**
  * \brief copy at max bufferLength bytes into buffer. The data is not deleted from 
  *  the read buffer yet.
@@ -207,9 +215,4 @@ int ANETreadTillTerm(int handle,
  * \param userData An opaque pointer with data for lcb
  */
 void ANETsetLog(ANETlog lcb, void *userData);
-/**
- * \brief Return a pointer to the socket descriptor write buffer
- * \param handle Connection object socket handle
- */
-char *ANETgetWBuffer(int handle);
 #endif                          /*ASYNNET_H_ */