review content types:

* remove Document / News Item
* add collective.rcse.article
* use a viewlet to has content-modal every where
* remove content-modal for every templates where it is
* File and Image content type now doenst require Title in Filter view
* File and Image schema now are the RCSE ones (no more exclude form nav)
* Update i18n to follow all theses changes
* blog_view -> articles_view
* remove custom setuphandlers already achieved by the profile