New
* Polish translation
* List names of translators in TRANSLATORS.md file in source, as this contribution isn't directly reflected in git log
* During --makeconf warn about listening on port 6697 too, not only about 6667
Fixes
* webadmin: When confirming deletion of a network and selecting No, redirect to the edituser page instead of listusers page
* Make more client command results translateable, which were missed before
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