Plone.app.workflow

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- If user has inherited local roles on a folder and removes inheritance on
sharing page, locally set roles that were inherited before to avoid
definitive loss of access.
This refs http://dev.plone.org/plone/ticket/11945.
[thomasdesvenain]

- In sharing view, return empty list immediately if search_term is the
translated "Search for user or group" message.
[vincentfretin]

- In sharing view, the search for users and groups was done twice, once in
macro_wrapper template and another one in the user-group-sharing macro
in sharing template because of duplicate variable definitions.
[vincentfretin]

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- Add MANIFEST.in.
[WouterVH]

- Normalize translated string before sorting sharing columns.
[vincentfretin]

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- Sort sharing columns by translated title instead of role id.
[vincentfretin]

- Added plone.abovecontentbody viewletmanager in sharing view.
[vincentfretin]

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- Depend on ``Products.CMFPlone`` instead of ``Plone``.
[elro]

- Add Site Administrator to the roles which are allowed to delegate the other
roles (for forward compatibility with Plone 4.1).
[davisagli]

- Sharing table is into a div container.
[thomasdesvenain]

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- Update license to GPL version 2 only.
[hannosch]

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- Adapt tests to new policy introduced in
http://dev.plone.org/plone/changeset/34375
References http://dev.plone.org/plone/ticket/10236
[tomster]