dwins#31, Color names should be evaluated in a case insensitive manner

Author: aaime

geocss/src/main/scala/org/geoscript/geocss/CssOps.scala

@@ -330,7 +330,7 @@ object CssOps {
         val chars = hex.flatMap(Seq.fill(2)(_)).mkString("#", "", "")
         Some(filters.literal(chars))
       case Literal(name) =>
-        colors.get(name).map(filters.literal(_))
+        colors.get(name.toLowerCase).map(filters.literal(_))
       case v =>
         valueToExpression(v)
     }

geocss/src/test/resources/colorname.css

@@ -0,0 +1,3 @@
+* {
+  fill: IndianRed;
+}

geocss/src/test/scala/org/geoscript/geocss/SLDTest.scala

@@ -354,6 +354,12 @@ class SLDTest extends FunSuite with ShouldMatchers {
     val fontFill = css2sld2dom("/font-fill.css")
     (fontFill \\ "GraphicFill") should have(size(0))
   }
+  
+  test("Colors are interpreted in case insensitive manner") {
+    val labels = css2sld2dom("/colorname.css")
+    val cssParameter = labels \\ "PolygonSymbolizer" \\ "Fill" \\ "CssParameter"
+    cssParameter.text should equal("#cd5c5c")
+  }
 
   test("Everything should convert without throwing Exceptions") {
     val testData = Seq(