Expanded Character to include sprites and positions.

Added George sprites for testing.
TestCode for George

core/src/test/java/CharacterLoadingTest.java

@@ -0,0 +1,15 @@
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.graphics.Texture;
+import netwerkprog.game.client.game.characters.DevTest1;
+import netwerkprog.game.util.game.Character;
+import org.junit.Test;
+
+public class CharacterLoadingTest {
+
+    @Test
+    public void george() {
+        String path = "core/assets/george.png";
+        Texture texture = new Texture(Gdx.files.internal(path));
+        Character george = new DevTest1();
+    }
+}