Rename an enum value for clarity.

* subversion/include/svn_repos.h
  (svn_repos_notify_verify_structure_rev): Was
    svn_repos_notify_verify_struc_rev.

* subversion/libsvn_repos/dump.c
  (svn_repos_verify_fs2): Track renamed enum value.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1459488 13f79535-47bb-0310-9956-ffa450edef68
* subversion/include/svn_error_codes.h
  (SVN_ERR_TOO_MANY_MEMCACHED_SERVERS,
   SVN_ERR_MALFORMED_VERSION_STRING): Capitalize default error
    description strings.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1459493 13f79535-47bb-0310-9956-ffa450edef68