Cosmetic tweaks to a hook script.

* tools/hook-scripts/control-chars.py:
    Change top comment into a python doc string. Expand that doc string. Add
    comment. Replace loop with list-comprehension.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1461624 13f79535-47bb-0310-9956-ffa450edef68
* subversion/tests/libsvn_fs/fs-test.c
  (filename_trailing_newline): Use a test repository name that matches
   an ignore pattern defined on subversion/tests/libsvn_fs/.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1461637 13f79535-47bb-0310-9956-ffa450edef68