Plone.app.vocabularies

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Bug fixes:

- Do not wake up all the users when no query is submitted
[ale-rt]

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Bug fixes:

- Fix test that breaks when catalog is not registered as a utility in CMF 2.3+
[pbauer]

- Add Python 2 / 3 compatibility
[vincero]

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Bug fixes:

- Let ``plone.app.vocabularies.SupportedContentLanguages`` return the language title in native language.
[thet]

- Remove unittest2 dependency
[kakshay21]

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Bug fixes:

- return empty vocabulary when no imagescales defined
[fgrcon]

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Bug fixes:

- plone/Products.CMFPlone1794: use permissive vocabulary type
for numeric-indexed weekday and month vocabularies
to avoid breaking GenericSetup import.
[seanupton]

- plone/Products.CMFPlone1268: use permissive vocabulary type
for ReallyUserFriendlyTypes, to avoid insertion of new types
in plone.displayed_types (registry) from breaking GenericSetup
profiles in add-ons.
[seanupton]

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Bug fixes:

- Fix problem in ParseError fallback introduced in 4.0
[jensens]