On the fsfs-format7 branch:  make block-read effective by caching
txdelta windows (can still be disabled explicitly).

* subversion/libsvn_fs_fs/caching.c
  (read_config): cache txdelta window data by default

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/fsfs-format7@1443204 13f79535-47bb-0310-9956-ffa450edef68