Merge pull request commaai#470 from commaai/devel

0.5.7 release

openpilot v0.5.6 release

openpilot v0.5.5 release

openpilot v0.5.4 release

openpilot v0.5.3 release

openpilot v0.5.1 release (commaai#315)

Merge commit '2cfdc676101c387524246f789c8429647069b827' into release2

openpilot v0.5.2 release

0.4.7