Add globalMenu files
Updated globalMenu and removed #nav from index.hbs
Update globalMenu to have subMenuItems
Updated globalMenu to have working subItems

- SubItems can now be added to the globalMenu
- globalMenuItems now close on #app being clicked
Removed testing console.log
Merge branch 'develop' into issue/#320

* develop:
  Removed console.log() from EditorContentObject
  On-going re-work to menu editor
  Removed .editor-menu-layer border styling
  Switched the menu editor to horizontal
  Slight change to the dashboard
  Moved 'paste-cancel' handling to EditorOriginView
  Added 'editable' class to page items
  Closing the editor contextMenu on a click
  Re-worked event order to correct paste issue
  Updated stlying for context menu
  Generic context menu creation
  Remove redundant comment
  Editor styling in line with mock-ups

Conflicts:
	frontend/src/core/app/app.js
Merge branch 'issue/#320' into develop

* issue/#320:
  Removed testing console.log
  Updated globalMenu to have working subItems
  Update globalMenu to have subMenuItems
  Updated globalMenu and removed #nav from index.hbs
  Add globalMenu files