Simplified soundboard app, still some work to do
Merge remote-tracking branch 'upstream/master'

Spelling. :D

Simplified audio spectrum computation and transfer
ACARS RX in debug mode
Disabled ABI warnings
Updated binary

Added ACARS frequencies file
Moved non-implemented apps menu items down

Tried speeding up fill_rectangle for clearing the waveform widget

Renamed Setup to Settings
Updated binary

Re-enabled the tone key selector in Soundboard
Soundboard now uses OutputStream, like Replay
Constexpr'd a bunch of consts which were going to BSS section
Exiting an app now goes back to main menu
Cleaned up Message array

* Update ui_touchtunes.hpp

* Update ui_touchtunes.cpp

ADSB TX frame index bugfix (OOB)

Added more samplerate choices in capture
Updated binary

Renamed "Scanner" to "Search"
Modified splash bitmap
Disabled Nuoptix TX

Added goertzel algo
Updated binary

Support for any sample rate <= 500k in IQ replay
Fixed bias-t power not activating in TX
Removed RSSI pitch output option (awful code)
Udated binary

Update ui_widget.hpp

Minor syntax error in the README file

Added include of <functional> to allow for a clean build with g++ 7.2.1 20170904

Fixed SD card FAT wipe (buffer size too big)
Cleared some warnings from ADSB rx
Updated binary

Added file creation date display in File Manager

Updated binary

* Added Hampton Bay fan on and off.

* Add Chicago Police citywide freqs

* Add NOAA Weather Radio Frequencies

* Add CB channels 1-20

Credit to Pyr3x for this one

* Rename sdcard/NOAAWEATHER.TXT to sdcard/FREQMAN/NOAAWEATHER.TXT

Oops

* Update NOAAWEATHER.TXT

* Add CB channels 21-40

Credit to unixpunk for this file