clean up after pull request

- added es6 uglify
- pimped status pages in demo-index
- added first modular hippie file

source/code/functions.js

@@ -6,14 +6,14 @@ function setup() {
 }
 
 // get document coordinates of the element
-// function getCoords(elem) {
-//   let box = elem.getBoundingClientRect();
-//
-//   return {
-//     top: box.top + pageYOffset,
-//     left: box.left + pageXOffset
-//   };
-// }
+function getCoords(elem) {
+  let box = elem.getBoundingClientRect();
+
+  return {
+    top: box.top + pageYOffset,
+    left: box.left + pageXOffset
+  };
+}
 
 // https://stackoverflow.com/a/488073/1444149
 function Utils() {