[FIX] @route compatibility with version 7.0:
 */ add request.debug property
 */ inject request at first argument at runtime, do not use wrapper method.
 */ force slashes in routes (do not use os.path.join() for urls)
 */ routes defined using the legacy decorator httprequest and jsonrequest uses auth="none"
 */ avoid registring web module routes twice
[FIX] web_kanban: correct css for empty kanban
[FIX] web: remove firefox css fix for view switch icons
[IMP] web_kanban_sparkline: always begin y range at 0 instead of minimum value
[FIX] web: form_view: FieldStatus widget: fixed hidden states/stages not appearing because behind displayed sheet.
[FORWARD] Forward port of saas-2 branch until revision 3845 revision tde@openerp.com-20131003090049-88q0o69970eahb2h