Plone.app.portlets

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- Don't require a macro for classic portlets - rendering a browser view doesn't need one.
[danjacka]

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- Fixed redirection after changing a portlet.
[maurits]

- Fixed portal_calendar single type "links" in the calendar template.
[dr460neye]

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- Make it possible to delete broken portlet assignment.
[vipod]

- Make sure a portlet name is not a unicode string. This prevents problems when
trying to use a portlet name in joined strings.
[wichert]

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- Navigation portlet: Add "section-XXX" class for the top node, useful for
background colors/images.
[kleist]

- Don't break if a feed does not have an "rel=alternate type=html" link. It is
possible for a valid Atom feed to omit a <link rel="alternate" type="html"
href="http://server.com"/> element which is available through the feedparser
object as a feed.link attribute. If the feed does not have this element then
the RSS portlet will throw an AttributeError which will propagate to the page
preventing the original page from rendering. This changeset adds support for
such feeds.
[dokai]

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- We can delete a portlet which product has been removed.
Manage portlets page is not broken when an inherited portlet is broken.
[thomasdesvenain]

- Add ability to render only single portlet code with view.
Code basically copied from plone.app.kss
[vangheem]

- Remove kss
[vangheem]

- Allow for the root content item icon in the navigation portlet to be
displayed with CSS or an img tag.
[danjacka]

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- Fix inheritance hierarchy of IPortletForm to reflect usage in z3cformhelper.
[elro]