upgrade to 0.18, support for text/enhanced, nicer links for pages, import and export of pages (export file can be used for import; use this e.g. for transfer pages to a different package instance or to a different oacs installation)
remove debugging for multiple group by; drop title column for na_sources (not used by UI plus part of acs_objects with 5.2) and made user_id optional for source::new; still need to deal with the group by issue on index page - now, the first grouping (pub date) is not applied when there is only one source (source_id being the second grouping