This patch adds default configs for quagga daemons. It adds password zebra
and restricts vty access to everyone except localhost. If these confs do not
exist the daemons do not start when running quagga init script.
git-svn-id: svn://svn.openwrt.org/openwrt/packages@15678 3c298f89-4303-0410-b956-a3cf2f4a3e73