OP-1567 Added setting PWM out to 1000us.

At motor neutral calibration stop, first set PWM out to 1000us for 500ms
followed by setting it to 0.
Merge remote-tracking branch 'origin/thread/OP-1567_Wizard_fixes' into rel-14.10
Trying to fix mysterious MacOSX build isssue.
Merge branch 'rel-14.10' of ssh://git.openpilot.org/OpenPilot into rel-14.10