Plone.app.search

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- (back port) URL bar is not correctly updated after clicking
pagination or updating search. Fixing regression introduced in 1.1.5
[anthonygerrard]

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- When the request has no valid form keys but the query does, it is
still valid.
[maurits]

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- Changed navigation_root_url to link-tag instead of meta-tag to ensure HTML5
validation.
[bosim]

- Stop preventDefault on live change handler on types filter.
Prevents bug with IE <= 8.
[do3cc]

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- Use id if object has no title, this is how folder_listing and others behave.
[rpatterson]

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- Readded fix made by eleddy in 1.0.4 wrongfully removed from 1.1.x
[ichimdav]

- Restored compatibility with IE <= 8 for search.js broke in previous egg
[ichimdav]

- Fixed incompatibilities of search.js up to and including jQuery 1.9 while
maintaining compatibility with jQuery all the way to 1.4.4
[ichimdav]

- Optimized search.js logic by caching jQuery selectors and removing some
uncessesary dom manipulations
[ichimdav]

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- Fix to make search.js work with jQuery >=1.8.
[garbas]