[FIX]Fixed the issue of save selected fields list in export.
Launchpad automatic translations update.
[MERGE] [FIX] export wizard: better behaviour when saving new fields list

- Show the fields list once we save the first one
- When delete a list, remove the selected fields
- When add a list, do not remove the selected fields
[FIX] orm: create a foreign key for the function fields of type many2one and store value
[IMP] readability
[MERGE] [FIX] orm: create a foreign key for the function fields of type many2one and store value (opw #604792)
Merge branch 'openobject-server/7.0' into demo/7.0
Merge branch 'openobject-addons/7.0' into demo/7.0
Merge branch 'openerp-web/7.0' into demo/7.0