Action-264 (re CR Dashboard)

>ACTION-264 Update the dashboard with negative tests

Completed, see
http://dev.w3.org/cvsweb/~checkout~/2006/ws/policy/interop/results/dashboard.html

Changes in this version are:

1. Dropped the implementation column
2. Set up summary tables for
    a) Round-4-Media-Type
    b) Round-4-External-Policy-Attachment-WSDL11
    c) Round-4-External-Policy-Attachment-WSDL20
    d) Round-4-Negative-Test
3. Added WSO2-C as a new participant
4. Added a link to the summary page.

Regards,

Asir S Vedamuthu
Microsoft Corporation