Do a proper null to empty String conversion, add unittests for it

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1471712 13f79535-47bb-0310-9956-ffa450edef68
2 files changed
tree: 5093e324afb3339fc639788480834f8131e2a5f3
  1. src/
  2. pom.xml