ChirpChat demod: updated readme. Updated versions and changelogs

Updated versions and changelogs

Sat Tracker: fixed compiler warning

Updated versions and changelogs

PlutoSDR MIMO: added missing gain lock button

Updated versions and changelogs

Updated versions and chagnelogs

Updated versions and changelogs

DAB demod: fixed compilation warning

Appveyor Ubuntu build: give up on the chrpath thing for dsdcc