This is a partial rework of Cossacs' camera gimbal software.
This patch adds LPF to some of manual control inputs. Mostly
useful are accessory channels (for camera gimbal control) and
yaw channel (for smooth filming). The code may be used for
stand-alone CC[3D]-based gimbal software, but also should work
for complete FC+camera system.
neutral position into a slider. During calibration the slider moves and the
min and max values are updated appropriately. Also make the collective channel
skippable in the configuration wizard.
Spelling mistakes
Show inverted movement as soon as checkbox is checked.
Bring back flightmode change messagebox.
Layout issues (this was not a issue on win so not sure its fixed).
Support for flightmode binary switches neutral=min+(max-min)/2.
Flightmode slider not changing according to command.
Mode 1 roll on the right (still think it doesn't make sense :) )
