Please backport ubumirror 0.5 (universe) from utopic

Please backport ubumirror 0.5 (universe) from utopic to trusty.

Reason for the backport:
========================
Ubumirror 0.5 was released upstream and introduce a useful feature - syncing more
content to mirrors (should sysadmins enable it).

Testing:
========
Mark off items in the checklist [X] as you test them, but please leave the checklist so that backporters can quickly evaluate the state of testing.

You can test-build the backport in your PPA with backportpackage:
$ backportpackage -u ppa:<lp username>/<ppa name> -s utopic -d trusty ubumirror

* trusty:
[X] Package builds without modification
[X] ubumirror installs cleanly and runs

No reverse dependencies