Update AdminLTE

- from 2.4.5 to 2.4.18 (cannot detect any issues)
- set default scancycle for Apple Devices to 1

front/lib/AdminLTE/bower_components/bootstrap/grunt/change-version.js

@@ -4,7 +4,7 @@
 /* globals Set */
 /*!
  * Script to update version number references in the project.
- * Copyright 2015 Twitter, Inc.
+ * Copyright 2015-2019 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
 var fs = require('fs');