[IMP] Manage accounting date for each asset state
[CLEAN] PEP8
[FIX] Check context in sartre_validate
[IMP] Override unlink to avoid to bypass orm with ondelete='cascade'
[CLEAN] PEP8
[CLEAN] PEP8
[CLEAN] PEP8
[CLEAN] PEP8
[IMP] Manage file creation when resources list is empty
[IMP] Adapt for OpenERP 6.1
[IMP] Add logs and clean code
[CLEAN] PEP8