Plone.app.querystring

------------------

- Implement ``is``, ``lessThan`` and ``largerThan`` operators for integer fields (fixes `32`_).
[rodfersou]

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- No need to install plone.app.querystring as z2 products in tests.
[timo]

- Fix path-queries using UID.
[pbauer]

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- Path criteria can be defined either absolute to ``IPloneSiteRoot``, absolute
to ``INavigationRoot`` or relative to current context.
[rnixx]

- Relative path parent breaks on ``IPloneSiteRoot`` rather than
``INavigationRoot``.
[rnixx]

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- Fixed build DateIndex query.
[kroman0]

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- Fix wrong query field vocabulary declaration of the show_inactive field from
``AllRoles`` to ``Roles``.
[thet]

- Add a ``custom_query`` parameter to the ``QueryBuilder._makequery`` method,
which allows for run time customization of the stored query, e.g. by request
parameters.
[thet]

- Added support for depth in relativePath operator.
[djay]

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- Fixed upgrade_1_to_2 upgrade step in case the registry doesn't contain the
named value
[ichim-david]

- Added show inactive operation which uses the roles vocabulary in order
to assign permission to show or hide the inactive objects of the given query
[ichim-david]

- Migrate tests to plone.app.testing.
[sdelcourt]

- Fix querybuilder code if results object does not provide an
actual_result_count attribute. This regression has been introduced in
release 1.1.1 (fixed broken handling of limit and batch size).
[timo]