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

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

note: module: project_issue
en: Customize the issues label, for example to call them cases.
en_GB: Customise the issues label, for example to call them cases.

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

note: module: project_issue
en: Tags
en_GB: Labels
