Updated node web form, to support taxonomy editing if allowed (specific support for CMS_VOCABULARY.is_tags: BOOLEAN).
Added notion of required or optional module dependencies.
Indeed, hooks does not require RESPONSE interface,
and should be setup before, at the system level (i.e CMS_API)
Added exportation solution via CMS_HOOK_EXPORT.
Updated blocks settings for demo example project.
- extracted from populate_recent_changes, the recent_changes_sources that enables to filter early.
Added author_name to the CMS_RECENT_CHANGE_ITEM to support author which is not related to any CMS_USER.
Implemented the simple filtering on source and add parameters size and date.
