[table view] some new table view enhancements
* rewrite entiy table view column renderers to use default_* methods instead
of lambda so that column_renderers may be properly deep-copied
* new RelatedEntitiesColRenderer
* default addcount to false on RelatedEntityColRenderer
* more doc
action box
Area visible in the upper left column. You have a list of available actions on the entity. The most frequently used entry is `modify`.
object
All element created in the application
Example: project, ticket, user, ...
relation editing module
HTML widget that let you define new relations amongst objects.
relation
It's a kind of 'smart' link between 2 objets of the application. It has a specific sense that determine dynamic behaviour and add a new logic of the content.