Collective.navigationtoggle

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- Nothing changed yet.

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- added Transifex.net service integration to manage the translation process [macagua]
- added Spanish translation [macagua]
- updated gettext files support [macagua]

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- fixed a bug in query-subelements when using the product in a Plone site that's inside
another folder (filesystem, for example) [mpampols]
- fixed a bug that badly put rules inside the generated ``collective.navigationtoggle.rules.js``
if they contains a quote char [keul]

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- use the object's id as the fallback title for expanded item
(close `6`__) [yangh]

__ https://github.com/RedTurtle/collective.navigationtoggle/issues/6

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- fixed a bug when used with containers with spaces inside the id
(close `2`__) [keul]
- file icon of generated elements where not handled in the right way
(close `3`__) [keul]
- added a way to invalidate JS cache
(close `1`__) [keul]
- now general selectors can match also elements that are not <a>, but
link's contents
(close `4`__) [keul]
- now checking the ``typesUseViewActionInListings`` configuration
(close `5`__) [keul]

__ https://github.com/RedTurtle/collective.navigationtoggle/issues/2
__ https://github.com/RedTurtle/collective.navigationtoggle/issues/3
__ https://github.com/RedTurtle/collective.navigationtoggle/issues/1
__ https://github.com/RedTurtle/collective.navigationtoggle/issues/4
__ https://github.com/RedTurtle/collective.navigationtoggle/issues/5

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* added a product's browser layer
[keul]
* provided an own configuration panel
[keul]
* added all remaining configutation in Plone UI
[keul]
* ``toggleContainerClass`` now is ``toggleContainerClasses``
(can be used for a set of classes)
[keul]
* added i18n support and italian translation
[keul]
* changes AJAX calling context, now always calling portal root URL
[keul]
* added tests (both Plone and JavaScript)
[keul]