use client?s mimetype as fallback for uploads

www/analytics/plugins/CoreHome/angularjs/piwikApp.js

@@ -0,0 +1,16 @@
+/*!
+ * Piwik - Web Analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+angular.module('piwikApp', [
+    'ngSanitize',
+    'ngAnimate',
+    'piwikApp.config',
+    'piwikApp.service',
+    'piwikApp.directive',
+    'piwikApp.filter'
+]);
+angular.module('app', []);