Bring lang detect code in line with coding style.

Change html files so that we auto-detect the lang now.

converse.js

@@ -215,32 +215,36 @@
 
         // Translation machinery
         // ---------------------
-	this.isAvailableLocale=function(locale){
-            ret=null;
-            if (locales[locale]) ret=locales[locale];
-            else{
+        this.isAvailableLocale = function (locale) {
+            ret = null;
+            if (locales[locale]) {
+                ret = locales[locale];
+            } else{
                 sublocale=locale.split("-")[0];
-                if (sublocale!=locale && locales[sublocale]) ret=locales[sublocale];
+                if (sublocale!=locale && locales[sublocale]) {
+                    ret=locales[sublocale];
+                }
             }
             return ret;
         };
 		
-        this.detectLocale=function(){
-            ret=null;
-            if (window.navigator.userLanguage) ret=this.isAvailableLocale(window.navigator.userLanguage);
-            else if (window.navigator.languages && !ret){
+        this.detectLocale = function () {
+            ret = null;
+            if (window.navigator.userLanguage) {
+                ret = this.isAvailableLocale(window.navigator.userLanguage);
+            } else if (window.navigator.languages && !ret) {
                 for (var i = 0; i < window.navigator.languages.length && !ret; i++) {
-                 ret=this.isAvailableLocale(window.navigator.languages[i]);
+                    ret = this.isAvailableLocale(window.navigator.languages[i]);
                 }
             }
-            else if (window.navigator.browserLanguage && !ret) ret=this.isAvailableLocale(window.navigator.browserLanguage);
-            else if (window.navigator.language && !ret) ret=this.isAvailableLocale(window.navigator.language);
-            else if (window.navigator.systemLanguage && !ret) ret=this.isAvailableLocale(window.navigator.systemLanguage);
-            else {ret=locales.en}
+            else if (window.navigator.browserLanguage && !ret) ret = this.isAvailableLocale(window.navigator.browserLanguage);
+            else if (window.navigator.language && !ret) ret = this.isAvailableLocale(window.navigator.language);
+            else if (window.navigator.systemLanguage && !ret) ret = this.isAvailableLocale(window.navigator.systemLanguage);
+            else { ret = locales.en; }
             return ret;
         };
-
         this.i18n = settings.i18n ? settings.i18n : this.detectLocale();
+
         var __ = $.proxy(utils.__, this);
         var ___ = utils.___;
 

dev.html

@@ -53,7 +53,6 @@
     require(['converse'], function (converse) {
         converse.initialize({
             bosh_service_url: 'https://conversejs.org/http-bind/', // Please use this connection manager only for testing purposes
-            i18n: locales['en'], // Refer to ./locale/locales.js to see which locales are supported
             keepalive: true,
             message_carbons: true,
             play_sounds: true,

index.html

@@ -251,7 +251,6 @@
         })();
         converse.initialize({
             bosh_service_url: 'https://conversejs.org/http-bind/', // Please use this connection manager only for testing purposes
-            i18n: locales['en'], // Refer to ./locale/locales.js to see which locales are supported
             keepalive: true,
             message_carbons: true,
             play_sounds: true,