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/bootstrap/.bower.json

@@ -39,6 +39,6 @@
     "commit": "68b0d231a13201eb14acd3dc84e51543d16e5f7e"
   },
   "_source": "https://github.com/twbs/bootstrap.git",
-  "_target": "^3.4.0",
+  "_target": "^3.4",
   "_originalSource": "bootstrap"
 }