m-dependency-p is normally called from cmdline instead of being part of the build lifecycle. In these cases skipping doesn't make sense. If used during the build lifecycle, be sure to skip the right goal/plugin, so prefix this property with "mdep."

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1451330 13f79535-47bb-0310-9956-ffa450edef68