library: memory and vmstat API changes

Created new set of functions for meminfo related calls. Liked the
format of that better so changed vmstat around so the look similar.
Missed the makefile change for uptime so added it in now.

proc/meminfo.c

@@ -1,4 +1,24 @@
-
+/*
+ * meminfo - Memory statistics part of procps
+ *
+ * Copyright (C) 1992-1998 by Michael K. Johnson <johnsonm@redhat.com>
+ * Copyright (C) 1998-2003 Albert Cahalan
+ * Copyright (C) 2015 Craig Small <csmall@enc.com.au>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>