[ADD]mail: The announcement bar (blue bar) to inform customers
[FIX] mail: correct announcement bar
[IMP] mail: announcement bar only for screen
[IMP] mail: announcement bar: no dblclick
[FIX] purchase: set readonly on warehouse_id related field in stock.picking.in
[IMP] mail: announcement bar: hardcode close ttl + update link with dbuuid
[MERGE] annoucement bar
[FIX] point_of_sale: fix default destination(or source, for returns) location for pos order moves

For instance, the source location of moves of returned products was output instead of partners locations / customers
[MERGE] Forward-port of latest 7.0 bugfixes, up to rev. 9689 rev-id: dle@openerp.com-20131210181733-2rjw6cas8bjypp2p