Updated Node.js 0.10.21 --> 0.10.24
Updated Firefox 25.0.0 --> 26.0.0
Updated Safari 6.1.0 --> 6.1.1
Factored out line color into constant, tested that it's used
No longer draws an extra dot at end of line
We no longer draw dots in the middle of a line
Modified SvgCanvas.lineSegments() to  only return one coordinate for dots
Factored out SvgCanvas.drawDot() for explicitly drawing dots