Search for plugin config in parents <pluginManagement> section if not found in
current pom.
Changed to version 1.0.0-alpha-01 of RoboVM.
[maven-release-plugin] prepare release robovm-maven-plugin-1.0.0-alpha-01
[maven-release-plugin] prepare for next development iteration
Changed to version 1.0.0-SNAPSHOT of RoboVM.
Fixed compilation error after changes to Config.Builder in robovm/.