Odoo 9.0 - en to en_GB translation catalogue (4 entries)

note: module: mass_mailing
en: Color Index
en_GB: Colour Index

note: module: mass_mailing
en: Do not organize and schedule mail campaigns (easy)
en_GB: Do not organise and schedule mail campaigns (easy)

note: module: mass_mailing
en: Email
en_GB: E-mail

note: module: mass_mailing
en: Tags
en_GB: Labels
