PHC 4.0a1 is released

Hi folks,

I've recently released PHC 4.0a1. This release works on Plone 4 and 
includes numerous bug fixes.

One of the most important ones was to refactor the workflow definitions 
to make the @@sharing page work as expected. This will hopefully allow 
the Collective Commiters group in plone.org to edit the articles in the 
KB freely (it was not working previously).

Thanks to everyone who contributed to this release, either with bug 
reports or patches. I'm looking forward for new releases already. :)

-- israel


Full changelog:

     PloneHelpCenter 4.0a1 (2010-12-07)

     - Use lxml to turn image relative links into absolute for the
       one-page version of manuals. This introduces a new install
       dependency on lxml.
       Fixes http://plone.org/products/plonehelpcenter/issues/136.
       [dukebody]

     - Include numbering in the section title.
       Fixes http://plone.org/products/plonehelpcenter/issues/137.
       [dukebody]

     - Rename type titles: "Page" to "Tutorial Page" and "Link" to
       "Help Center Link".
       Fixes http://plone.org/products/plonehelpcenter/issues/140.
       [dukebody]

     - Made it possible to query contentIds via XML-RPC for
       collective.developermanual uploads [miohtama]

     - Use the aq_parent function instead of the attribute to avoid
       AttributeErrors when not using an acquisition wrapper (newer
       Zope versions).
       [dukebody]

     - Fix next/previous custom adapter to visit the same items as appear in
       the navigation dropdown. Also make sure this adapter is used for 
legacy
       ReferenceManuals. This fixes
       http://plone.org/products/plonehelpcenter/issues/152/.
       [dukebody, davisagli]

     - Don't fail when trying to acquire getCurrentVersions if not in
       a container that includes currentVersions in its schema. [davisagli]

     - Fix the imports to use always Zope 3 style interfaces, making
       the code work both in Plone 3 and 4 simultaneuslly.
       [dukebody, thanks davisagli]

     - Merge relevant changes from the Plone 4 migration branch from
       Fabio Rizzo. [dukebody]

     - Reverted obsolete code from the referencemanual_view.pt fix. [acsr]

     - Updated INSTALL.txt with step by step upgrade guide related to 
issue #142 "upgrade steps order unclear" and issue #132 "errata 
mentioning Ploneboard". [acsr]

     - Fixed an issue with failure to display referencemanual_view when
       files are present in the reference manual. [acsr, thanks dukebody]

     - Update the whole product to work with Plone 4.0a2. [dukebody]

     - Removed "global allow" for Reference Manual. This closes
       http://plone.org/products/plonehelpcenter/issues/150.
       [keul]

     - updated INSTALL.txt with step by step upgrade guide related to
       issue #142 "upgrade steps order unclear" and issue #132 "errata
       mentioning Ploneboard". [acsr]

     - Respect exclude_from_nav setting in the reference manual
       table of contents generation [miohtama]



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