[Merge] lp:~ubuntu-mate-dev/ubiquity/ubquity-mate-fixed into lp:ubiquity

[Martin Wimpress]

Please can someone review this merge proposal. Ubuntu MATE can't be installed without it.
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https://code.launchpad.net/~ubuntu-mate-dev/ubiquity/ubquity-mate-fixed/+merge/246079
Your team Ubuntu Sponsors Team is requested to review the proposed merge of lp:~ubuntu-mate-dev/ubiquity/ubquity-mate-fixed into lp:ubiquity.