Added Plone compatibility note in readme.
Preparing release 2.5
Back to development: 2.6
Compatibility notes. Compatible with Plone 4.1, 4.2, 4.3.
Be clearer about how to use the preview.
Modernize the preview and document view.
Removed zope.app dependencies.
Test with Plone 4.3 and zc.buildout 2.0.0 with proper bootstrap.py