keepalived UI: add dummy ip for HA state tracking

add dummy ip 192.0.2.1 in virutal_ipaddress from (TEST-NET-1)
according to https://www.rfc-editor.org/rfc/rfc5737#section-3
for keepalived HA state tracking, the Master will always
have the dummy ip assigned to green0.

add refresh button for HA state refresh

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>

langs/en/cgi-bin/en.pl

@@ -141,6 +141,7 @@
 'activate' => 'Activate',
 'activate user' => 'Activate user',
 'active' => 'Active',
+'standby' => 'Standby',
 'add' => 'Add',
 'add a host' => 'Add a host',
 'add a new rule' => 'Add a new rule:',

langs/zh/cgi-bin/zh.pl

@@ -138,6 +138,7 @@
 'activate' => '激活',
 'activate user' => '激活用户',
 'active' => 'Active',
+'standby' => 'Standby',
 'add' => '添加',
 'add a host' => '添加主机',
 'add a new rule' => '添加规则:',