SUMH - Initial cut of support for Graupner SUMH Serial RX protocol.
Latest binaries with LED strip performance improvements and Graupner SUMH support.
Fix unused led strip method compiler warnings for CJMCU target.
Update the cli `dump` command and profile commands so that it shows the
profile being dumped such that it can be copied pasted as commands.
CC3D - Adding missing BEEPER define, fixes #86.
Lastest CC3D binary with BEEPER enabled.
FrSky Telemetry - Constrain the fuel level value to prevent erroneous
display on some FrSky gear.

Note this made no difference when using latest OpenTX and an unmodified
XJT module.

Closes #84.
OLED Display - Add two pages: RX info and Welcome.

The RX info page shows channel letters and bar graphs for the first 8
channels.
The Welcome page shows the target and cleanflight git revision.