[CHG] Adjusted mgmtsystem_action to OpenERP 7.0
[CHG] Adjusted mgmtsystem_action to OpenERP 7.0

The messaging system changed a lot in v7 and I had to rework the views. Particularly, I had to drop the "inline form view" feature of the History tab in Actions because it doesn't seem supported in v7 and caused crashes.

yvaucher/management-system,ClearCorp-dev/management-system,jobiols/management-system,ClearCorp/management-system,abstract-open-solutions/management-system,don-systems/management-system