[FIX] res_partner: Meetings button on form view was not correctly
filtering displayed meetings according to the selected partner.
[FIX] language and model converter redirections should use code=301
[FIX] stock: moves link on product form opening wrong view

Fixes #2008
[IMP] doc/howtos/backend: add section on wizards
[FIX] portal_sale: portals are not allowed to see payments

Portal users are not allowed to read account.move.line model
Therefore, in the portal, if you let the payments in the invoice view, the portal user is warned that he is not allowed to see account.move.line
[IMP] Increase statics cache from 12 hours to 1 week
[FIX]web:Scroll should move top on clicking menu on side bar