Hacky fix to pause to work around issue that sending motor commands sometimes does nothing.
Changed it so that all behaviors are not instantiated immediately. Also changed pause so it does not spam (0, 0) motor speeds.
Fixed segfault from LinesensorControl when the service call failed
Added latching to publishers so the first message gets noticed.
Added conversions abs_to_rel and rel_to_abs.
Also, added warnings after these conversions in the case that a requested speed has to be cropped.
Tested against a temporary behavior which set the speeds (now removed since it's very easy to write such a test behavior).
Added code for unit conversion, pending tests.
Merge branch 'master' of ssh://roboclub.org/home/svn/scoutos
Old little changes to sonar.
Changed linefollowing so that turns start working once again. Also fixed some bugs with maze solving.
Called spinOnce to update sonar readings.
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