[FIX] website_certification: no need to set a group to acl if the data is public
[FIX] move google analytics js snippet at the bottom (Fixes #3222)
[FIX] stock: inverse function field should write the given value and not current
[FIX] sale: force condtion True for workflow activity trans_ship_ship_except

This is related to fix 43b0a63
[IMP] [TEST] website_forum: anti spam protection + tests