[FIX] format: trying to format an undefined value as the same effect as a value to false or infinity: return value_if_empty parameter
[FIX] web: list view: keep original fields.reference value instact, store it's display in fake field_name+'__display' column, so that editing value in editable tree mode works
[FIX] web: list view: fix wrong css for fields.reference in editable tree view
[IMP] view_form: do not display hugly error message when name_get returns no value but more helpful message (eg: bad default value returns wrong id)
[MERGE] [FIX] reference field: correct editable tree view for refrence field (opw 601553)
[FIX] web: view_form.js, allow press enter to break line in fieldtextwidget
[MERGE] Forward-port of latest 7.0 bugfixes, up to rev. 4112 revid:dle@openerp.com-20140115120844-1z0pbh9pc63tllce