Page editor: align overlay on drag/resize
Merge branch 'master' of github.com:Heigvd/Wegas

# By Anthony Geiser
# Via Anthony Geiser
* 'master' of github.com:Heigvd/Wegas:
  Update StateMachineViewer: * Add button to set initial state * Remove text field in states (replace by id for now) * Optimization (replace Y.one global and change id css to class css)
  Zoom with mousewheel event (without alt key)