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/ion.rangeSlider/.bower.json

@@ -45,6 +45,6 @@
     "commit": "c98c10d3d360aa52e997bb8e4fd371c958f78e4b"
   },
   "_source": "https://github.com/IonDen/ion.rangeSlider.git",
-  "_target": "^2.2.0",
+  "_target": "^2.2",
   "_originalSource": "ionrangeslider"
 }