Added roads

Removed libGdx images

android/assets/jsons/TileImprovements.json

@@ -67,5 +67,15 @@
 		"TechRequired":"Masonry",
 		"ImprovingTech":"Chemistry",
 		"ImprovingTechStats":{"Production":1}
+	},
+	{
+		"Name":"Road",
+		"TurnsToBuild":6,
+		"TechRequired":"The Wheel"
+	},
+	{
+		"Name":"Railroad",
+		"TurnsToBuild":12,
+		"TechRequired":"Railroad"
 	}
 ]

core/src/com/unciv/civinfo/TileInfo.java

@@ -123,6 +123,8 @@ public class TileInfo
         if(turnsToImprovement == 0)
         {
             if (improvementInProgress.startsWith("Remove")) terrainFeature = null;
+            else if(improvement.equals("Road")) roadStatus = RoadStatus.Road;
+            else if(improvement.equals("Railroad")) roadStatus = RoadStatus.Railroad;
             else improvement = improvementInProgress;
 
             improvementInProgress = null;