Updating for schema 2012 docs in sync with Plone

Some linked samples need work
./downloads/sample-files.txt - Linked samples and associated text need updated
./working-with-ome-xml/6d-7d-and-8d-storage.txt - Linked sample needs updated
./ome-tiff/ome-tiff-specification.txt - BRANCH DONE - PLONE DONE  - Linked samples and fragments need updated
./working-with-ome-xml/spim-initial-support.txt - BRANCH DONE - PLONE DONE - Linked sample needs updated
./from-trac/DataModel.txt - BRANCH DONE - NOT ON PLONE- Linked page needs updated
./schemas/specifications/compliant-file-specification.txt - BRANCH DONE - PLONE DONE
./schemas/specifications/compliant-hcs-specification.txt - BRANCH DONE - PLONE DONE
./schemas/specifications/minimum-specification.txt - BRANCH DONE - PLONE DONE
./schemas/versions/version-information.txt - BRANCH DONE - PLONE DONE
./working-with-ome-xml/using-ome-xml-in-your-work.txt - BRANCH DONE - PLONE DONE
./working-with-ome-xml/tiled-images.txt - BRANCH DONE - PLONE DONE