tree 0e7a0565e268b2149c6bb9c9b33e613f35f7175e
parent 796a78d959a34b7b3c1f4c8c2311ac01d9b9d44b
author Yuta HIGUCHI <y-higuchi@ak.jp.nec.com> 1509768518 -0700
committer Jordan Halterman <jordan@opennetworking.org> 1509931820 +0000

improve DocumentTree related doc & log

Change-Id: I85294811d9647ace85e5cd70fbca7fce020e3ee1