Collective.contentalerts

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- Apply IStopWordsVerified when discarding an alert.
[gforcada] [staeff]

- Sort imports, use plone.api and some buildout cleanups.
[gforcada]

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- Support Plone 4.3.7
[gforcada]

- Make normalize a global function
[gforcada] [staeff]

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- Add German translation.
[staeff]

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- Create wheels as well.

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- Add a browser view to remove the IHasStopWords marker interface on a per object basis.
[gforcada]

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- Make sure that the ``IHasStopWords`` marker interface is indexed on the catalog.
[gforcada]