Restored backwards compatibility with Django 1.3
Added South introspection rule for PagesField.
Minor change.
Added publication lists.
Minor change.
Merge branch 'develop' into lists
Replaced OrderedModel by more recent version.
Merge branch 'develop' into lists
Added possibility to create lists of publications.
Added missing files.
Merge branch 'develop' into lists
Made list description mandatory.
Added template tag for displaying lists.
Added possibility to upload images.
Merge branch 'lists' into develop