[IMP] qweb debug mode restricted to --dev mode

Also moved the set_trace call in top of render_node() function so it
makes more sense.
[IMP] Make translation todo's readable when hovered
[IMP] stock: allow float precision for quantity qty multiple

e.g. if orders with packages of 1/2 quantity
[IMP] Project : Add Graph near Task and Issue,rename tab of form,focus + sign when empty kanban view,invisible remaining time when no managing time,don't show project name in bow if coming from a project,review default stage and change default group by