Implemented a feature which allows for an additional field for having a text message

with a motor axis. To this purpose a new derived class SINQAxis and SINQController were
added which other drivers using this feature can derive from. The proof of concept and
test platform is the EL734 driver.

sinqEPICSApp/src/EL734Driver.h

@@ -7,13 +7,13 @@ February 2013
 
 */
 
-#include "asynMotorController.h"
-#include "asynMotorAxis.h"
+#include "SINQController.h"
+#include "SINQAxis.h"
 
 #define MAX_EL734_AXES 12
 #define COMLEN 80
 
-class EL734Axis : public asynMotorAxis
+class EL734Axis : public SINQAxis
 {
 public:
   /* These are the methods we override from the base class */
@@ -34,11 +34,14 @@ private:
   double position;
   int homing;
   time_t next_poll;
+  int ErrTxtIdx;
+
+  void forwardErrorTxt(EL734Axis *axis);
   
 friend class EL734Controller;
 };
 
-class EL734Controller : public asynMotorController {
+class EL734Controller : public SINQController {
 public:
   EL734Controller(const char *portName, const char *EL734PortName, int numAxes);