Redomino-contentwellportlets

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* New fork and back to development
[giacomos]

* added italian translation
* fixed messages in management pages

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- Added another portlet manager below the global nav but above portal-columns
[robzonenet]

- Added upgrade step and improved renderer to fail gracefully when the upgrade
has not yet been run.
[cah190]

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- Fixed container link for footer portlets.
[robzonenet]

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* Portlet managers' css identifiers are now of the format
'AbovePortletManager1' instead of the previously used
'portletsAboveContentA'
[esteele]

* Use Plone 4's deco.gs to handle layout automatically. Portlet managers will
now display as 1/[number of portlet managers with visible portlets] wide.
For example, if three of the six portlet managers have visible portlets,
each will fill 1/3 of the available area. Themes based on
plonetheme.sunburst will see the changes. Others will either need to use
sunburst's columns.css or manually align content using each portlet
manager's unique id.
[esteele]

* Depend on 'Products.CMFPlone' instead of 'Plone'. See
http://dev.plone.org/plone/ticket/10877 for more information.
[esteele]

[esteele]

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* Change the way the footer portlets viewlet is registered so that it plays a
bit more nicely with themes.
[esteele]

* Add a class="row" to the footer portlet template to prevent it from bleeding
into the content area.
[esteele]