Collective-sendaspdf

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- Bugfix in jquery.sendaspdf.js - removed one comma that was causing
an error in IE. [vincent]

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- compatibility fixes with Plone4. [vincent]

- added Ajax version of "Download as PDF" link. [vincent]

- added Ajax version of the "Send as PDF" link. [vincent]

- Removed the '-C' parameter. [yuri + vincent]

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- when the PDF generation failed in the page to send by mail, we
display an error page instead of failing. [vincent]

- bugfix in send page - it was impossible to load the Wysiwyg for
anonymous users. Stole some code from POI to solve it. [vincent]

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- Fix broken release with missing files. (Now released with setuptools-git
installed.) [mark]

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- updated egg information in setup.py (author and description). [mark]

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- translated the "download as PDF" action. [mark]

- registered the translations so they are applied. [mark]