Merge pull request #1805 from MelsHyrule/updating-d3

Author: jeffibm

package.json

@@ -56,7 +56,7 @@
     "bootstrap-datepicker": "~1.9.0",
     "bootstrap-switch": "~3.4.0",
     "c3": "~0.7.20",
-    "d3": "~6.1.1",
+    "d3": "~7.6.1",
     "es6-shim": "~0.35.5",
     "font-awesome": "~4.7.0",
     "jquery": "~3.5.1",