Add jack-api/jill-api subprojects.
automerge: e0e3db7

* commit 'e0e3db765a4567012d89711f46e284505a4523e9':
  Add jack-api/jill-api subprojects.
tree: 728e8c42623c8fea3e03c8d83974ff16936ad23a
  1. base/
  2. servers/
  3. src/
  4. .gitignore
  5. build.gradle
  6. README
  7. readme.txt