Odoo 8.0 - en to en_GB translation catalogue (4 entries)

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

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

note: module: project_issue
en: Issue Version
en_GB: Version

note: module: project_issue
en: Tags
en_GB: Labels
