updated copyright notices in LICENSE and dmenu.c file

LICENSE

@@ -1,6 +1,6 @@
 MIT/X Consortium License
 
-© 2006-2013 Anselm R Garbe <anselm@garbe.us>
+© 2006-2014 Anselm R Garbe <anselm@garbe.us>
 © 2010-2012 Connor Lane Smith <cls@lubutu.com>
 © 2009 Gottox <gottox@s01.de>
 © 2009 Markus Schnalke <meillo@marmaro.de>

dmenu.c

@@ -69,7 +69,7 @@ main(int argc, char *argv[]) {
 	for(i = 1; i < argc; i++)
 		/* these options take no arguments */
 		if(!strcmp(argv[i], "-v")) {      /* prints version information */
-			puts("dmenu-"VERSION", © 2006-2012 dmenu engineers, see LICENSE for details");
+			puts("dmenu-"VERSION", © 2006-2014 dmenu engineers, see LICENSE for details");
 			exit(EXIT_SUCCESS);
 		}
 		else if(!strcmp(argv[i], "-b"))   /* appears at the bottom of the screen */