Merged with master.
Added velocity adjustment to stabilization.
HIL pressure fix.
Added MD25 I2C motor controller driver.
Merge pull request #266 from jgoppert/vel_adjust

Velocity based gain adjustment based on dynamic presssure
Merge pull request #265 from jgoppert/hil-press-fix

Hil press fix
Merge pull request #258 from jgoppert/md25

MD25 Motor Controller Driver
Merge pull request #263 from sjwilks/quad_wide

Quad wide arm mixer
Merged with master