Range radii - Some cleanup

app/lib/surface/CocoSprite.coffee

@@ -23,7 +23,6 @@ module.exports = CocoSprite = class CocoSprite extends CocoClass
   marks: null
   labels: null
   ranges: null
-  rangeValues: null
 
   options:
     resolutionFactor: 4
@@ -65,7 +64,6 @@ module.exports = CocoSprite = class CocoSprite extends CocoClass
     @marks = {}
     @labels = {}
     @ranges = []
-    @rangeValues = []
     @handledAoEs = {}
     @age = 0
     @displayObject = new createjs.Container()

app/lib/surface/Mark.coffee

@@ -122,6 +122,7 @@ module.exports = class Mark extends CocoClass
       visualRange: "rgba(0, 0, 145, #{alpha})"
       attackRange: "rgba(145, 0, 0, #{alpha})"
 
+    # Fallback colors which work on both dungeon and grass tiles
     extracolors = [
       "rgba(145, 0, 145, #{alpha})"
       "rgba(0, 145, 145, #{alpha})"