1.8.x voting spree.

* STATUS: Approve r1535115, r1543961, the r1542765 group,
          the r1544878 group and 1550803.  Vote for r1535532,
          r1547774, r1548486, the r1551524 group, the 1553101
          group and the r1553376 group.

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/1.8.x@1555621 13f79535-47bb-0310-9956-ffa450edef68