Bump to 2.9-SNAPSHOT API

Update the API version and adapt to use ChangesCollection.

Also update Java source version to 1.7 to align with 2.9

Change-Id: I1cff01d51d49ffc9559d7f29872f64d5d5c4ceff
3 files changed
tree: d025088491190812ef7af6d9ef9793be1860b1f4
  1. .gitignore
  2. .settings/
  3. LICENSE
  4. pom.xml
  5. src/