Merge pull request #51 from Truebill/steelbrain/get-all-payload-data

Add method to get all payload data

Author: vbabenkoru

iterableapi/src/main/java/com/iterable/iterableapi/IterableApi.java

@@ -86,6 +86,15 @@ public String getPayloadData(String key) {
         return (_payloadData != null) ? _payloadData.getString(key, null): null;
     }
 
+    /**
+     * Retrieves all of the payload as a single Bundle Object
+     * @return Bundle
+     */
+
+    public Bundle getPayloadData() {
+        return _payloadData;
+    }
+
     /**
      * Returns the attribution information ({@link IterableAttributionInfo}) for last push open
      * or app link click from an email.