Do not test if p.a.registry is installed, since it is not listed any longer, the listed_in_controlpanel test makes sure that p.a.registry is actually present.
Make Plone tool read the exposeDCMetaTags from p.a.registry instead of the site properties.

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	CHANGES.rst
Merge branch 'master' of git://github.com/plone/Products.CMFPlone

Conflicts:
	CHANGES.rst