added optional attribute to dependency artifact

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1350763 13f79535-47bb-0310-9956-ffa450edef68
1 file changed
tree: 359e81a449287a41bb02742aee3efa1cad31fe06
  1. src/
  2. pom.xml