Merge branch 'stable-2.15'

* stable-2.15:
  Fix name of commons-io dependency
  Fix name of prolog dependency
  Format BUILD file with buildifier

Change-Id: I11275980a4fa628483f46e1b3ff4d05f52002961
tree: c4aa1c8346369474dd512ba49e065ee0261a8e21
  1. BUILD
  2. LICENSE
  3. OWNERS
  4. src/