Updated po and pot files.

Also added js files with af and en translations.

locale/en/LC_MESSAGES/en.js

+(function (root, factory) {
+    define("en", ['jed'], function () {
+        var en = new Jed({
+            "domain": "converse",
+            "locale_data": {
+                "converse": {
+                    "": {
+                        "domain": "converse",
+                        "lang": "en",
+                        "plural_forms": "nplurals=2; plural=(n != 1);"
+                    }
+                }
+            }
+        });
+        return factory(en);
+    });
+}(this, function (en) { 
+    return en;
+}));