add state flush interval to UI

web/src/js/script.js

@@ -2,7 +2,8 @@ var FORM_SETTINGS = [
   "admin_username", "admin_password", "ce_pin", "csn_pin", "reset_pin","packet_repeats",
   "http_repeat_factor", "auto_restart_period", "discovery_port", "mqtt_server",
   "mqtt_topic_pattern", "mqtt_update_topic_pattern", "mqtt_state_topic_pattern",
-  "mqtt_username", "mqtt_password", "radio_interface_type", "listen_repeats"
+  "mqtt_username", "mqtt_password", "radio_interface_type", "listen_repeats",
+  "state_flush_interval"
 ];
 
 var FORM_SETTINGS_HELP = {
@@ -28,7 +29,9 @@ var FORM_SETTINGS_HELP = {
   discovery_port : "UDP port to listen for discovery packets on. Defaults to " +
     "the same port used by MiLight devices, 48899. Use 0 to disable.",
   listen_repeats : "Increasing this increases the amount of time spent listening for " +
-    "packets. Set to 0 to disable listening. Default is 3."
+    "packets. Set to 0 to disable listening. Default is 3.",
+  state_flush_interval : "Number of seconds between flushing states from RAM to flash. " +
+    "Set to 0 to disable delay and immediately persist state to flash."
 }
 
 var UDP_PROTOCOL_VERSIONS = [ 5, 6 ];