Take a stab at fixing #395

Before, moves to the right of an existing node were handled as moves
to the left.
FeinCMS v1.6.5
FeinCMS v1.7.3
Merge branch 'master' into next

* master:
  FeinCMS v1.6.5
  Take a stab at fixing #395

Conflicts:
	feincms/__init__.py