work-around for lagging and crashing on frequency scrolls
adding options to enable/disable manual gain and AGC
fixed manual gain option
fixing rtlsdr gain setting on startup
improving decoupled scrolling. Set default mode to decoupled scrolling. Limit sample rate for rtl-sdr on source creation.
Hide rtlsdr gain settings if not adjustable. Work-around for rtl-sdr driver restart after orientation change. bugfixes in RtlsdrSource.
Updating hackrf_android to latest version (1.08)
Uploading new alpha apk (version 1.09aplha2)