Collective-plonetruegallery

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- be able to position overlay controls of highslide gallery
[domruf]

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- add contact sheet and thumbnail zoom gallery
[espen]

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- more nivo slider themes
[espen]

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- nivo slider and gallery integration
[espen]

- Products.Collage integration(taken from collective.collage.plonetruegallery)
[vangheem]

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- allow you to place full gallery in portlet
[vangheem]

- added option for background color for pikachoose
[espen]

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- Remove Slideshow 2 display type
(depends on mootools and has loads of conflicts)
[vangheem]

- switch to using collective.js.galleriffic
[vangheem]

- switch to using collective.js.highslide
[vangheem]

- switch to using collective.js.fancybox
[vangheem]

- finally remove remains to gallery content type. Can not
upgrade directly to this product version now.
[vangheem]

- fix error with unicode-titled images
[silviot]

- added pikachoose support
[espen]

- added s3slider support
[espen]