Resolve "Add round check method in QI"

Closes #69 (closed)

frontend/core/src/com/gameware/game/models/RoundCheck.java

+package com.gameware.game.models;
+
+import com.badlogic.gdx.utils.Json;
+
+public class RoundCheck implements ModelInterface {
+   private boolean active;
+   private boolean nextRound;
+
+    public RoundCheck() {
+    }
+
+    public boolean isActive() {
+        return active;
+    }
+
+    public boolean isNextRound() {
+        return nextRound;
+    }
+
+    @Override
+    public void reset() {
+        active = false;
+        nextRound = false;
+    }
+
+    @Override
+    public String report() {return new Json().toJson(this);}
+
+    @Override
+    public String toString() {
+        return  report();
+    }
+}