SW Runtime is complaining about missing SPARK_HOME during version check

Description

Use Sparkling Water droplet, run it and you will get:

```
org.apache.spark.h2o.WrongSparkVersion: You are trying to use Sparkling Water built for Spark 2.0, but your $SPARK_HOME(=SPARK_HOME is not defined!) property points to Spark of version 2.1.1. Please ensure correct Spark is provided and re-run Sparkling Water.
```

Fixed

Assignee

Jakub Hava

Reporter

Michal Malohlava

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Priority

Minor
Configure