Download maven-plugin-tools-anno JAR file with all dependencies

Maven Anno Mojo module conatining the implementation of the MojoDescriptorExtractor used by the plugin maven-plugin-plugin. This POM override the standard java MojoDescriptorExtractor to avoid qdox parsing error. Adding this module as a dependencies to maven-plugin-plugin will stop the xdoclet plugin system is from being activated, and will activate this annotations processor instead.