updated bower components

- updated bootstrap-datepicker to 1.9.0
- updated chart.js to 1.1.1
- updated ckeditor to 4.12.1
- updated jquery to 3.4.1
- updated raphael to 2.2.7
- updated select2 to 4.0.8

bower_components/ckeditor/config.js

@@ -1,12 +1,12 @@
 /**
- * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
  * For licensing, see https://ckeditor.com/legal/ckeditor-oss-license
  */
 
 CKEDITOR.editorConfig = function( config ) {
 	// Define changes to default configuration here.
 	// For complete reference see:
-	// http://docs.ckeditor.com/#!/api/CKEDITOR.config
+	// https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_config.html
 
 	// The toolbar groups arrangement, optimized for two toolbar rows.
 	config.toolbarGroups = [