[Merge] lp:~evfool/software-properties/fixes into lp:software-properties

[Robert Roth]

The proposal to merge lp:~evfool/software-properties/fixes into lp:software-properties has been updated.

Description changed to:

This branch contains the following minor fixes, one commit/bug
* Fix warnings logged to terminal about inexistent handlers by checking if the handlers exist
* Change geeky authentication text displayed on policykit auth dialog to the one suggested by mpt (bug #828285 )
* Reset the popcon checkbox value if changed, but auth failed (bug #874759)
* Apt-add-repository --remove changed to also remove the debsrc line (bug #838507)
* Apt-add-repository PPA warning changed to warn you about add/removal depending on what you really want to do.
* Update the manpage of apt-add-repository with the available options. (bug #697546)
* Reset the text on the mirror testing dialog after closing/canceling it (bug #875679)
* Unicode encode PPA description and displaynam to avoid UnicodeDecodeErrors (bug #827355)
* Do not expand the server combobox (bug #875131)

For more details, see:
https://code.launchpad.net/~evfool/software-properties/fixes/+merge/79472
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https://code.launchpad.net/~evfool/software-properties/fixes/+merge/79472
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~evfool/software-properties/fixes into lp:software-properties.