Updated Gradle

Sponge/src/main/java/com/plotsquared/sponge/object/SpongeOfflinePlayer.java

@@ -0,0 +1,24 @@
+package com.plotsquared.sponge.object;
+
+import com.intellectualcrafters.plot.object.OfflinePlotPlayer;
+
+import java.util.UUID;
+
+public class SpongeOfflinePlayer implements OfflinePlotPlayer {
+
+    @Override public UUID getUUID() {
+        return null;
+    }
+
+    @Override public long getLastPlayed() {
+        return 0;
+    }
+
+    @Override public boolean isOnline() {
+        return false;
+    }
+
+    @Override public String getName() {
+        return null;
+    }
+}