Send newsletter + Listing + Last Step

- fixed Selection React
- fixed bulk actions (side effect of muti selection)
- added actual sending of newsletter
- added Setting::getValue($key, $default) in order to get settings
- improved Bridge class to allow override of from/reply_to
- added jquery.serializeObject to ease the pain when posting form data

lib/Models/Setting.php

@@ -9,16 +9,21 @@ class Setting extends Model {
   function __construct() {
     parent::__construct();
 
-    $this->addValidations("name", array(
-      "required"    => "name_is_blank",
-      "isString"    => "name_is_not_string"
-    ));
-    $this->addValidations("value", array(
-      "required"    => "value_is_blank",
-      "isString"    => "value_is_not_string"
+    $this->addValidations('name', array(
+      'required' => 'name_is_blank',
+      'isString' => 'name_is_not_string'
     ));
   }
 
+  public static function getValue($key, $default = null) {
+    $setting = Setting::where('name', $key)->findOne();
+    if($setting === false) {
+      return $default;
+    } else {
+      return $setting->value;
+    }
+  }
+
   public static function createOrUpdate($model) {
     $exists = self::where('name', $model['name'])
       ->find_one();