clarify contributions and CLA requirements

(or when CLA is not required :)


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/commons-build-plugin/trunk@1750670 13f79535-47bb-0310-9956-ffa450edef68
1 file changed
tree: 95eb3c07b1e7b4408cff2ada2f3bfb2c7d947f53
  1. src/
  2. LICENSE.txt
  3. NOTICE.txt
  4. pom.xml
  5. RELEASE-NOTES.txt