Adding ready plugin

Signed-off-by: codewithpassion <dominik.fretz@gmail.com>

Fixing ready plugin to flash the rov lights when we start
Adding thrust factor to yaw correction according to walt
Merge pull request #240 from codewithpassion/feature/ready-plugin

Creating a plugin that flashes the lights when cockpit started
Merge pull request #243 from codewithpassion/feature/use-thrust-factor-for-yaw

Adding thrust factor to yaw correction according to Walt
Fixed #239; Constrain motor signals to allowed range

Tested on hardware.
Merge branch 'bug-239'
Fixed#234; swapped pitch/roll in MPU9150
Merge branch 'bug/234'
Fixed #175; Solved some crashes from the firmware uploads

Tested on real hardware for 8 or so uploads. Needs to be monitored.
Merge branch 'bug/175'
Merge remote-tracking branch 'upstream/master' into debianimage-update