Add sysinfo example

Retrieve cpu model via hashtable & number of logical cpu via exposed variable

Signed off: Dr. James Dominic P. Guana <jdpguana@histark.com>

examples/sysinfo.c

@@ -32,13 +32,14 @@
 int
 main (int argc, char *argv [])
 {
+   char *model;
    const glibtop_sysinfo * sysinfo;
 
    glibtop_init();
-
    sysinfo = glibtop_get_sysinfo ();
+   model = g_hash_table_lookup (sysinfo->cpuinfo [1].values, "model name");
 
-	printf ("\nProcessor Model: %s\n", sysinfo->model);
+	printf ("\nProcessor Model: %s\n", g_strdup (model));
 	printf ("Number of Cores: %d\n\n", sysinfo->ncpu);
 
    glibtop_close ();