mvn complains about missing versions for plugins
[WARNING]
[WARNING] Some problems were encountered while building the effective model for com.floragunn:codova:jar:b-move_to_flx_repo-SNAPSHOT
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-source-plugin is missing. @ com.floragunn:codova:${revision}, /builds/util/codova/pom.xml, line 229, column 12
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-javadoc-plugin is missing. @ com.floragunn:codova:${revision}, /builds/util/codova/pom.xml, line 241, column 12
[WARNING]