add missing license headers

git-svn-id: https://svn.apache.org/repos/asf/maven/ant-tasks/trunk@1438236 13f79535-47bb-0310-9956-ffa450edef68
2 files changed
tree: c01dc25c7127aeb8e0951c51b160db570e6835b8
  1. README.txt
  2. build-tests.xml
  3. pom.xml
  4. src/