AC: add libpeerconnection.log to gitignore
AC: add libpeerconnection.log to gitignore

SpotlightUK/TrackerTracker,SpotlightUK/TrackerTracker,fstehle/TrackerTracker,fstehle/TrackerTracker,paperlesspost/TrackerTracker,SpotlightUK/TrackerTracker,fstehle/TrackerTracker,paperlesspost/TrackerTracker,paperlesspost/TrackerTracker