On the authzperf branch: Make authz tests slightly more up to
date with the authz parser.

* subversion/tests/libsvn_repos/repos-test.c
  (authz): Change illegal write-only access to read-write.
   Update format of wildcard rule sections.
  (groups_authz): It is now an error to define anything but groups in the
   global groups file; adjust the test.


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/authzperf@1618827 13f79535-47bb-0310-9956-ffa450edef68