CLOUDSTACK-2044: Use dnsmasq.conf.tmpl to generate dnsmasq.conf

We add something like dhcp-range_ip4/ip6 in the template for implementing
different setups.

patches/systemvm/debian/config/etc/init.d/cloud-early-config

@@ -440,6 +440,9 @@ setup_dnsmasq() {
   [ -z $DHCP_RANGE ] && [ $ETH0_IP ] && DHCP_RANGE=$ETH0_IP
   [ $ETH0_IP6 ] && DHCP_RANGE_IP6=$ETH0_IP6
   [ -z $DOMAIN ] && DOMAIN="cloudnine.internal"
+
+  #get the template
+  cp /etc/dnsmasq.conf.tmpl /etc/dnsmasq.conf
   
   if [ -n "$DOMAIN" ]
   then