Plasma 5.2 tars are up

[Jonathan Riddell]

Plasma 5.2 tars are up for packagers on depot at stable/plasma/5.2.0

Please check over for sanity.

Please also check over the release announcement and suggest improvements
 https://www.kde.org/announcements/plasma-5.2.0.php

And have a look over the Errata and add any bugs you know of
 https://community.kde.org/Plasma/5.2_Errata

Release is due on Tuesday.

Jonathan