santhnm2/CS196selfdrivingcars — pull request #63 by OskarZhang (2014-11-29 20:56:57+00:00)
Title: Traffic Lights changing mechanism fixes

Change log:
Implemented the new TrafficLight changing mechanism in Runner.java;
Fixed bugs in the Map.GetInDir();
Optimized and Fixed bugs in Map.getTrafficDensity
Fixed Bugs in Intersection.traceBack().

Traffic lights now change according to traffic density of the input roads.