Merge branch 'stable-3.0'

* stable-3.0:
  Fix the testAllNumericUserGroup all-numeric username
  Test all-numeric username

Change-Id: Ia85c38a18e7ad26802873b2cbb2ce9db8f0f4bea
tree: 59de018727f66714b422f6d95b460b955b959e04
  1. .settings/
  2. src/
  3. .gitignore
  4. BUILD
  5. LICENSE