On the log-message-templates branch, sort commit templates when presenting
multiple templates to the user, rather than presenting them in APR hash order.

* subversion/svn/util.c
  (svn_cl__get_log_message): Iterate over a sorted array of keys from
   the log_message_templates hash instead of using apr_hash_index_t.


git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/log-message-templates@1624055 13f79535-47bb-0310-9956-ffa450edef68