[MRG] from 6.1 (lp:c2c-addons/6.1  rev 28.3.29)
[MRG] from 6.1
(lp:c2c-addons/6.1  rev 28.3.29)

incaser/project,open-synergy/contract,akretion/project-service,bullet92/contract,NeovaHealth/project-service,sergiocorato/project-service,raycarnes/project,eezee-it/project-service,Antiun/contract,hugosdsantos/project-service,OCA/project-service,syci/odoo-project-service,yelizariev/project-service,ddico/project,damdam-s/project-service,charbeljc/project-service,yvaucher/project-service,Endika/project,xpansa/project-service,Antiun/project,dreispt/project,Antiun/project-service,dreispt/project-service,Domatix/contract,acsone/project,acsone/project-service