[ns] Change node color in NAM

[Rishabh Goel]

Hello,

I wanted to change the threshold at which node color in NAM changes. But I
am not able to find where these changes have to be made. I checked the
cmu-trace file but it does not seem to make any changes in the NAM. Can
anyone suggest me a solution to this.

Thank You.

-- 
Goel Rishabh D.
Graduate Student
School of Electrical and Computer Engineering
Georgia Institute of Technology