Initialize permissions and roles. (Backport from 1.9)
cleanup old comment
Add migration step for Products.PloneArticle objects to Foldersh Document objects.

Conflicts:
	collective/folderishtypes/configure.zcml
	setup.py
migrate creation_date nad modification_date for file,image and link attachements too
fix creation_date and modification_date for file/image/link attachements
beautify
fix PloneArticle to folderishtypes/AT migration code and move it to at subpackage