Collective-plonetruegallery

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- give site administrator manage galleries permission
[vangheem]

- fix character encoding in portlet image titles
[bouchardsyl]

- add portlet methods to return all images
[bouchardsyl]

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- fix getSite
[espen]

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- provide "download_url" in image data
[vangheem]

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- provide "original_image_url" image data
[vangheem]

- add ability to provide custom css for gallery to override styles
[vangheem]

- add integration with collective.ptg.galleryimage
[vangheem]

- restore plone 3 compatibility
[vangheem]

- explicitly close the iframe tag in the embedded
portlet gallery--fixes some browsers borking on the tag
[vangheem]

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- moved picas and flickr support to their own products [espenmn]
- added vocabulary for image sizes [espenmn]

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- be able to show copyright information
[eehmke]