[IMP/MERGE]merge HSA branch with minor changes.
[IMP/MERGE]merge HSA branch with minor changes.
MarkusTeufelberger/openobject-server,ovnicraft/openerp-server,ovnicraft/openerp-server,splbio/openobject-server,gisce/openobject-server,gisce/openobject-server,splbio/openobject-server,MarkusTeufelberger/openobject-server,gisce/openobject-server,splbio/openobject-server,MarkusTeufelberger/openobject-server