Warn about maven-surefire-plugin version 2.20
<doclint>all</doclint>
<scala.major-version>2.11</scala.major-version>
<scala.version>${scala.major-version}.4</scala.version>
- <surefire.version>2.19.1</surefire.version>
+ <surefire.version>2.19.1</surefire.version> <!-- NOTE bjorncs 15.06.2017: Version 2.20 has OoM issues -->
</properties>
<modules>
