Fix issue 3046 by adding a statement about quoting of parameters and delimiting argument lists. Also add a hint about peg revisions, while we are at it.

* subversion/libsvn_repos/repos.c
  (create_hooks): Add a hint about quoting of parameters and url
    handling to the hook templates.

Approved by: danielsh


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1604153 13f79535-47bb-0310-9956-ffa450edef68