* tools/client-side/change-svn-wc-format.py
(usage_and_exit): Document --skip-unknown-format option.
(WCFormatConverter.error_on_unrecognized): Add new attribute, initially True.
(WCFormatConverter.write_dir_format): If self.error_on_unrecognized
let the UnrecognizedWCFormatException out
else catch it, just print a warning, and keep going.
(main): Set converter.error_on_unrecognized to False if the
--skip-unknown-format option is given.
git-svn-id: http://svn.collab.net/repos/svn/trunk@27880 612f8ebc-c883-4be0-9ee0-a4e9ef946e3a