slightly adapt title and hide boxes when view is called as a non primary view

allow to override is_primary result using an argument given to object constructor (have to be given to 'initargs' argument of .render like initargs={'is_primary': False}

typo

new generic urlattr view

update _render_attribute / _render_relation prototype to gain more control on label through uicfg (for attributes and relations). Keep bw compat for crm/iliane

when fields are displayed in a table and label should'nt be displayed, set colspan to 2 on the field value cell

fix format string

cleanup