update date in welcome string

Author: jcupitt

src/ip.h

@@ -199,7 +199,7 @@ extern int statfs();
 				/* XML namespace ... note, not nip2! */
 #define MAX_LINELENGTH (120)	/* Max chars we display of value */
 #define MAX_RECENT (10)		/* Number of recent items in file menu */
-#define NIP_COPYRIGHT "%s: ©2016 Imperial College, London"
+#define NIP_COPYRIGHT "%s: ©2017 Imperial College, London"
 
 /* Our stock_ids.
  */