Jquery.pyproxy

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- Noted compatibility with Plone 5.0 in readme.
[maurits]

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- Add empty upgrade step to properly set our profile version.
[maurits]

- Adapt imports to work in Plone 3.3 through 4.3.
[maurits]

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- Point to http://github.com/zestsoftware/jquery.pyproxy
[maurits]

- added Django specific tests. [vincent]

- finished Plone specific tests. [vincent]

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- Fix issue with Diazo wrapping the responses with HTML
tags. [vincent]

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- Updated the minified version. [vincent]

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- added find() and parent() support. [vincent]

- added support for chained calls. [vincent]

- Added support for 'this'. [vincent]