- Implemented defpos for multiple motors

- Implemented automatic backup on parameter change
- Implemented silent restore
- Cleaned a couple of unused flags from connection object

slsmagnet.c

@@ -13,6 +13,7 @@
 #include <time.h>
 #include <math.h>
 #include <assert.h>
+#include <unistd.h>
 #include "fortify.h"
 #include "conman.h"
 #include "servlog.h"