Revision tool

This PR enables the replacement of our revision tool. It's now possible to

1. start the feedback from the drawing dialog
2. create a drawing from the feedback dialog

The user can then choose to attach the drawing as kml in the feedback dialg.

Please test here: [Test Link](http://mf-geoadmin3.dev.bgdi.ch/gjn_toggle_drawfeedback)

@p1d1d1 Maybe we can do a review session with Topo tomorrow, or next week.

@davidoesch Not sure about the texts of the buttons here and the UI in general (are buttons the right tool?)

@all Feedback welcome

OK I understand why my `if($scope.globals.isDrawActive)` doesn't work. The click event  must be stopped in `activateDraw` function otherwise `bringUpToFront` function is called on the feedback popup.

When the click event is stopped do :  

```
 if ($scope.globals.isDrawActive) {
     $timeout(function() {  
        $('#draw-popup h4').click();
     }, 0, false); // The false options is neede to avoid a useless digest cycle because cick() already triggers one
 } else {
     $scope.globals.isDrawActive = true;
 }
```