Disable staging mode by default, add a way to enable it

Author: tterrag1098

src/main/java/com/creatubbles/api/CreatubblesAPI.java

@@ -42,7 +42,14 @@ public class CreatubblesAPI {
             .property(ClientProperties.READ_TIMEOUT, 5000);
 
     public static String buildURL(final String endPoint) {
-        return EndPoints.URL_BASE + endPoint;
+        String base = staging ? EndPoints.URL_BASE_STAGING : EndPoints.URL_BASE;
+        return base.concat(endPoint);
+    }
+
+    private static boolean staging = false;
+
+    public static void setStagingMode(boolean staging) {
+        CreatubblesAPI.staging = staging;
     }
 
     public static void main(String[] args) throws IOException {

src/main/java/com/creatubbles/api/util/EndPoints.java

@@ -2,7 +2,9 @@
 
 public class EndPoints {
 
-    public final static String URL_BASE = "https://staging.creatubbles.com/api/v1/";
+    public final static String URL_BASE = "https://www.creatubbles.com/api/v1/";
+
+    public static final String URL_BASE_STAGING = "https://staging.creatubbles.com/api/v1/";
 
     public static final String SIGN_IN = "users/sign_in.json";