[FIX] account_followup : Fixed the group by coming 2 times in partner search view.
[IMP] crm : Improved the label and help string of lead search view.
[IMP] crm : Improved the filter string of lead search view.
[Merge] Merged with trunk.
[Merge] Merged with trunk.
[Merge] Merged with trunk.
[IMP] crm, project_gtd : Improved the filter string.
[FIX] mass_mailing: fixed test mailing wizard, still using unsubscribe url that is
now delegated on the mail_mail model.
[FIX] website_blog: set oldname for background_image field
[FIX] survey: handle the case where there is no stage available when searching default stage.
[FIX] survey: define survey.stage before using it in survey.survey
[FIX] gamification: change scope of goal_obj variable
[FIX] website_forum: set badges and challenges in noupdate
[IMP] gamification: add use_ids fields if technical features
[ADD] website_certification: new module to display certificated people on website
[REF] Code cleaning
[ADD] website_certification: new tiny module that displays certificated people on website
[IMP] [FIX] website_forum: better karma management for votes
and answers. Also some fixes in answer tagging and edition closing.
[IMP] [FIX] website_forum: better control of actions based on karma; those
actions are calculated in the controller, based on forum.forum values instead of values hardcoded
in the view.
[REF] gamification
[IMP] website_forum: controllers now check the karma in addition to the viewé