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

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