Renamed Page Section -> Page Content.
Caching child classes to avoid repetitive work
Upgrade to Django-1.6.2
Check for pandoc
Fixes issue #17
Update settings.py

* use CMS_CASCADE_LEAF_PLUGINS list from settings, if they are there
* add TextPlugin, FilerImagePlugin if not in list
Merge pull request #18 from ManuelWeiss/patch-1

use CMS_CASCADE_LEAF_PLUGINS from global settings.py
Fixed portability for which