Merge pull request #92 from jannispinter/master

Updated German translations
Polish translation
Merge remote-tracking branch 'upstream/master'
Merge pull request #96 from Zuko/master

Updated Polish translation
Fixed issue with push to talk and toggle representation.
More efficient use of AudioRecord, prevent fragmented audio from being sent.
Crash fixes, optimizations to settings listening.
Merge remote-tracking branch 'upstream/master'
Polish translation
Merge pull request #97 from Zuko/master

Updated Polish translation
UI improvements.
UI fixes.
Critical bug fix for channels that aren't expanding.