[catboost/tutorials] resovle rest of issues
* [Export CatBoost Model in JSON format Tutorial](model_export_as_json_tutorial.ipynb)
* Catboost model could be saved in JSON format and applied.
-* [Apply CatBoost model from Java](catboost4j_prediction_tutorial.ipynb)
- * Explore how to apply CatBoost model from Java application.
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+* [Apply CatBoost model from Java](catboost4j_prediction_tutorial/train_model.ipynb)
+ * Explore how to apply CatBoost model from Java application. If you just want to look at code snippets you can go directly to [CatBoost4jPredictionTutorial.java](catboost4j_prediction_tutorial/src/main/java/CatBoost4jPredictionTutorial.java)
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