Raptus-multilanguageplone

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* fixed setuphandler

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* plone.app.imaging compatibility (removed sizes property if available)

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* enabled multilanguage blob files and images
* moved patching of file and image to raptus.multilanguagefields

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* fixed uninstall profile to check install context

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* readded primary markers which are needed for multilanguage image support and the getContentType method for rich text fields
added __bobo_traverse__ patch for newsitems to support transparent acces to multilanguage image scales
* Added license information
* Merging branch aws_evols into trunk
* fix whitespace
* - added minimal framework for doctests
- added a simple doctest (Readme.txt)
- added genericSetup importSteps to be more plone 3.1+ aware (replace import_steps.xml)

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* added support for transparent access to multilanguage image scales