Merge pull request #396 from williamspatrick/update-yocto-2.1

Update to Yocto 2.1
tree: a6cf3c221f34707ec01f1d2094d03ca9d19164ea
  1. classes/
  2. common/
  3. conf/
  4. COPYING.apache-2.0
  5. COPYING.MIT
  6. LICENSE