ACTION-81 completed

Replaced content of digest and signature elements in all examples in  
section 2 with "...".

Also fixed formatting of first example in 2.1, removing line breaks  
(no redline for that change).

Completes ACTION-81 until we confirm actual digest values.

see http://www.w3.org/2007/xmlsec/Drafts/xmldsig-core/#sec-Overview

Keep action open until we have updated with digest values.

regards, Frederick

Frederick Hirsch
Nokia