bump maven-jar-plugin version
* when creating multiple jars in same step,
we now need to use a classifier for one of them.
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
+ <version>3.0.2</version>
<executions>
<!-- for testing -->
<execution>
<classesDirectory>target/test-classes</classesDirectory>
<outputDirectory>tmp/</outputDirectory>
<finalName>apiplugin</finalName>
+ <classifier>apiplugin</classifier>
<includes>
<include>**/test/ApiPlugin.class</include>
<include>**/test/ApiService.class</include>
