[IMP] improved warning messages
[IMP] improved warning message
[MERGE] merged with main addons
[IMP] improved the code
[MERGE] merged with main addons
[MERGE] merged with main addons
[IMP] improved some warning messages
[IMP] improved message
[MERGE] merged with main addons
[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.
[MERGE] merged with main addons branch
[MERGE][IMP] More explicit error messages (in delivery, hr_timesheet_sheet, purchase, purchase_requisition, sale_stock, stock)
[MERGE] from trunk
[MERGE] [IMP] Search views: consistency of some filters labels