Updated implementation report for c14n 1.1

Hello,

I've done some clean up on the test case document, and added a brief
summary to the implemenetation report.  I hope this is more useful
now, and would appreciate any feed-back you might have:

  http://www.w3.org/2007/xmlsec/interop/xmldsig/c14n11/report.html

Regards,
-- 
Thomas Roessler, W3C  <tlr@w3.org>