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/plugins/language/lang/lt.js

@@ -0,0 +1,5 @@
+/*
+ Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
+ For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+*/
+CKEDITOR.plugins.setLang("language","lt",{button:"Nustatyti kalbą",remove:"Pašalinti kalbą"});

bower_components/ckeditor/plugins/language/lang/sr-latn.js

@@ -0,0 +1,5 @@
+/*
+ Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
+ For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+*/
+CKEDITOR.plugins.setLang("language","sr-latn",{button:"Podesi jezik",remove:"Odstrani jezik"});

bower_components/ckeditor/plugins/language/lang/sr.js

@@ -0,0 +1,5 @@
+/*
+ Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
+ For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+*/
+CKEDITOR.plugins.setLang("language","sr",{button:"Подеси језик",remove:"Одстрани језик"});