Redomino.advancedkeyword

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- in editing: when a user doesn't have the permission to add keywords the
widget is still present though hidden. And the keyword filtered by collectKeyword
are preserved [sithmel]

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- Added travis support for Continous Integration (http://travis-ci.org/!/redomino/redomino.advancedkeyword).
[davidemoro]
- now you can select more than a keyword using the shift key [sithmel]
- added advanced search form customization [sithmel]
- fixed performance issue on editing widget [sithmel]

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- Fixed bug: "kw1.kw2" matched incorrectly with "kw1.kw2 kw3"
[sithmel]

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- Fixed issues related to https://github.com/redomino/redomino.advancedkeyword/issues/3
(not solved in 1.1 version)
[davidemoro]

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- Closes https://github.com/redomino/redomino.advancedkeyword/issues/3.
The expand or collapse icon is not displayed launching the instance in
production mode (./bin/instance start). Thanks whitie.
[davidemoro]

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- Added MANIFEST.in, thanks whitie. Closes https://github.com/redomino/redomino.advancedkeyword/issues/2
[davidemoro]