Review spree.

* 1.7.x/STATUS:
  - vote for r1516806, r1518184, r1522892, r1525902, r1524869
  - vote for & approve r1520529 group

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.7.x@1530491 13f79535-47bb-0310-9956-ffa450edef68