Style: Add text color for validated entries

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/tree/ZipEntryNode.java

@@ -14,8 +14,10 @@ public class ZipEntryNode {
     public Color getTextColor() {
         if (entry.getErrorType() != null) {
             return Color.RED;
-        } else if (entry.isDecompressed()) {
+        } else if (entry.getModel() != null && entry.getModel().isValidated()) {
             return Color.GREEN;
+        } else if (entry.isDecompressed()) {
+            return Color.BLUE;
         } else {
             return Color.BLACK;
         }