The full gerrit project name (including e.g. 'qt/' prefix) is appended
to the mirror. The previous example implied that only the last portion
was appended.

Change-Id: I6313427edc8e3dac0e9819ebec9de1d71763e07f
Reviewed-by: Toby Tomkins <toby.tomkins@nokia.com>
Reviewed-by: Laszlo Papp <lpapp@kde.org>