Products-plonesurvey

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* Remove ${enablingObjective} from translations [gaudenzius]

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* Update locales with i18dudue [tcurvelo]
* Fix PlonePAS imports [davidemoro]
* Don't create the respondent for anon on survey view [Michael Davis]
* On a multipage survey only display captcha on last page
[keul]
* Fix typo in `getValidationQuestions` method that breaks SubSurvey creation
when a Select question was created in the form
[cekk]

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* Captcha integration with collective.recaptcha, if quintagroup.plonecaptchas isn't installed [fdelia]
* Fix captcha integration with quintagroup.plonecaptchas in validate_survery for anonymous [fdelia]

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* Write a buildout and setup travis [Michael Davis]

* German translation [Michael Bunk]

* updated Spanish translation
[Manuel Gualda Caballero]

* Fix: mistake link url for Products.PloneSurvey.html_spreadsheet at survey_view_results.pt
[terapyon]

* Restored minimal Plone 3 compatibility (but beware z3c.rml version)
[keul]

* Fixed getAnswerFor return value for selectionBox fields. Now force to return a string like radio
[cekk]

* Some fixes to translations and i18ndude script [cekk]

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* Fix: hide respondent names in html_spreadsheet for confidential surveys
[Gaudenz Steinlin]
* Fix: avoid overwriting authenticated respondent data when refreshing the
survey_view [david.batranu]
* Fix: fixing spreadsheet3 export for multiple select question
[david.batranu]
* Fix: url quoting respondent keys to fix key login [david.batranu]
* Fix: fixing answers attribute check for matrix questions [david.batranu]
* Fix: int iteration and Attribute Error in Survey.py [david.batranu]
* Updated package to new i18n translation framework
[sauzher]

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* Plone 4.3 compatibility
[alert]

* Include Products.CMFCore permissions.zcml for Plone 4.1 compatibility
[gaudenzius]

* Fixed italian translation
[keul]