Visibilité des groupes aux équipièr⋅e⋅s, factorisation de la gestion des relation Equipe et Contact. Prise en charge du ratio de cotisation supplémentaire global.

• Adds SUD_Equipiere_De and SUD_Contact_De relationship types
• Extend group visibility to SUD_Equipiere_De #93
• Cleanup manually created relationship types
• Manage global supplemental Membership Ratio #99
• Better style for generator
• Allows to pass arrays of roles to cartable_get_syndicates_of & cartable_get_contacts_of
• Fix standard contribution pages #92
• Remove warnings (undefined vars)