bugfix: NullpointerException in onUpdateChannelWidth()
Fixing up/down converter frequency shift
Display source name, ppm and frequency shift on the surface
Activating Material design for Android 5.0. Increase upper frequency limits for RTL-SDR dongles.
Merge branch 'bugfixes'
fixing bug in RtlsdrSource (frequency range checking)
Uploading latest binaries (version 1.11)