added dhclient.conf.template and made setup.py install it

other/dhclient.conf.template

@@ -0,0 +1,3 @@
+# wicd will replace $_HOSTNAME in the following line with
+# the appropriate hostname for this system
+send host-name "$_HOSTNAME";

setup.py

@@ -473,7 +473,7 @@ try:
     data = [
     (wpath.dbus, ['other/wicd.conf']),
     (wpath.log, []), 
-    (wpath.etc, []),
+    (wpath.etc, ['other/dhclient.conf.template']),
     (wpath.encryption, [('encryption/templates/' + b) for b in 
                         os.listdir('encryption/templates') if not b.startswith('.')]),
     (wpath.networks, []),