maven-plugin-parent org.apache.maven.plugins 2.0-alpha-3 4.0.0 maven-projecthelp-plugin maven-plugin Maven Project-Help Plugin 2.0-alpha-1 2001 org.apache.maven maven-plugin-tools-api 2.0-alpha-3 org.apache.maven maven-model 2.0-alpha-3 org.apache.maven maven-settings 2.0-alpha-3 org.apache.maven maven-project 2.0-alpha-3