don't require extern

Config.go

@@ -8,7 +8,6 @@ type Config struct {
 	Web struct {
 		Port          int    `json:"port"`
 		BindTo        string `json:"bind_to"`
-		Extern        string `json:"extern"`
 		Title         string `json:"title"`
 		CustomFavicon bool   `json:"custom_favicon"`
 

client/dcwebui.js

@@ -5,6 +5,7 @@
 
 var SENTINEL_PASSWORD = "************";
 var CHAT_SCROLLBACK_LIMIT = 50; // Once over 2x $limit, the first $limit will be trimmed off the list
+var EXTERN_ROOT = window.location.protocol + "//" + window.location.host + "/";
 
 var $ = (document.querySelectorAll ? 
 	function(s) {
@@ -155,7 +156,7 @@ var notify = function(title, body) {
 		case "granted": {
 			new Notification(title, {
 				body: body,
-				icon: DCWEBUI_CONF.extern + "/favicon.ico"
+				icon: EXTERN_ROOT + "/favicon.ico"
 			});
 		} break;
 		
@@ -1039,7 +1040,7 @@ window.onload = function() {
 	
 	// Socket event handlers
 	
-	sock = io.connect(DCWEBUI_CONF.extern);
+	sock = io.connect(EXTERN_ROOT);
 	sock.on('cls', function() {
 		transition(STATE_READY_FOR_LOGIN);
 		

main.go

@@ -188,11 +188,9 @@ func (this *App) customFaviconHandler(w http.ResponseWriter, r *http.Request) {
 func (this *App) ConfigRequestHandler(w http.ResponseWriter, r *http.Request) {
 
 	confStruct := struct {
-		Extern string `json:"extern"`
-		Title  string `json:"title"`
+		Title string `json:"title"`
 	}{
-		Extern: this.cfg.Web.Extern,
-		Title:  this.cfg.Web.Title,
+		Title: this.cfg.Web.Title,
 	}
 	confBytes, _ := json.Marshal(confStruct)