[ADD] Migration of crm module
[ADD] Migration of crm module

hbrunn/openupgradelib,pedrobaeza/openupgradelib,bwrsandman/openupgradelib,sebalix/openupgradelib,blaggacao/openupgradelib,StefanRijnhart/openupgradelib,OCA/openupgradelib,kurkop/openupgradelib