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/select2/Gruntfile.js

@@ -1,3 +1,5 @@
+const sass = require('node-sass');
+
 module.exports = function (grunt) {
   // Full list of files that must be included by RequireJS
   includes = [
@@ -136,6 +138,7 @@ module.exports = function (grunt) {
     sass: {
       dist: {
         options: {
+          implementation: sass,
           outputStyle: 'compressed'
         },
         files: {
@@ -147,6 +150,7 @@ module.exports = function (grunt) {
       },
       dev: {
         options: {
+          implementation: sass,
           outputStyle: 'nested'
         },
         files: {
@@ -255,6 +259,4 @@ module.exports = function (grunt) {
   ]);
   grunt.registerTask('minify', ['uglify', 'sass:dist']);
   grunt.registerTask('test', ['connect:tests', 'qunit', 'jshint']);
-
-  grunt.registerTask('ci', ['compile', 'test']);
 };