Continuing work on standardization of units.
Scoutsim now has consistent units of m and m/s.
This will cause some problems.
Edited Sonar to display points on simulator.
Changed rate of sonar scan to 0.5sMade a new wxDC graphics object for sonar
Added sonar, though it looks buggy.
Use sonar_viz to continue debugging and make sonar work!
Added scout_constants.h to scoutsim
Previously missing file in last commit.