add scala version to spark profiles or math-scala doesn't build
<properties>
<spark.version>2.0.2</spark.version>
<spark.compat.version>2.0</spark.compat.version>
+ <scala.compat.version>2.11</scala.compat.version>
+ <scala.version>2.11.8</scala.version>
</properties>
</profile>
<profile>
<properties>
<spark.version>2.1.0</spark.version>
<spark.compat.version>2.1</spark.compat.version>
+ <scala.compat.version>2.11</scala.compat.version>
+ <scala.version>2.11.8</scala.version>
</properties>
</profile>
<profile>
