Zwiki 0.56.0

Zwiki is a Wiki engine based on Zope which allows you to build Wiki Webs (easy-to-edit, flexible, collaborative Web sites) in the Zope environment.
Zwiki is an easy-to-use, fun, and powerful wiki engine based on the Zope web application server; it also works well with the Plone CMS.
Main features:
- simple and fuzzy urls
- automatic page hierarchy and subtopics links
- smooth two-way mail integration
- RSS
- issue tracking
- dynamic scripting
- a variety of text markups including RestructuredText, MoinMoin and LaTeX
- WYSIWYG and external editing
- fine-grained security
- strong internationalization support
Enhancements:
Installing
- Wiki pages in Plone (or CMF) will no longer show the metadata tab by default.
- add isDefaultPageInFolder method, fixing plone 2.5.x support (#1283)
Configuring
- dont use # in setupTrackers event log messages, it was confusing
Browsing
- dont limit the content area to 80% width in standard skins stylesheet
- clean up plone/cmf tabs/actions
- change backlinks forms title to Related pages
- in the PAGE/myvotes view, link to pages
Editing
- tweak the warning a user sees when too many external links are added
- make restructured text be more silent about errors (report severe errors only)
- LaTeX support: add the zwiki.org version of LatexWiki to Zwikis standard plugins (Simon Michael, Bob McElrath, Open Software Services)
- Axiom, Reduce, Maxima, Noweb support: add the zwiki.org version of MathAction to Zwikis standard plugins (Simon Michael, Bill Page)
- increase max page name length in editform from 100 to 300 for eg latexwiki formula page names
Issue tracking
- make the add issue form respect the edits_need_username property, closing a spam hole (#1279)
Translations
- new Breton translation for plone skin (Fulup)
- translation updates: - German (Stefan Kose) - Japanese (Masaya Kato) - Russian (Valery Sharapov)
General
- in embedded DTML, ensure the context object (_.this) can acquire from the folder, as wed expect. Zope bug ? see collector