overviewer/Minecraft-Overviewer — pull request #752 by contre (2012-06-10 15:44:50+00:00)
Title: Allow overlays to have custom colors

This modification allows overlays to have custom colors but does not override pre-exisiting overlays with custom colors.

Here is an example: http://contre.us/exmapleNewFeature/#/-267/64/101/-2/0/0
Here is the settings file used: https://gist.github.com/2897641