[Merge] lp:~boiko/dialer-app/fixed_header into lp:dialer-app

[Francis Ginther]

Mako testing failed due to some hardware downtime, apologies for the inconvenience. This has been restarted.
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https://code.launchpad.net/~boiko/dialer-app/fixed_header/+merge/238586
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~boiko/dialer-app/fixed_header into lp:dialer-app.