[giow] (3) Make clearTimeout()/clearInterval() (with no arguments) into no-ops; change the <table> role mapping so that tables aren't interactive.
Affected topics: HTML, HTML Syntax and Parsing

git-svn-id: http://svn.whatwg.org/webapps@8508 340c8d12-0b0e-0410-8428-c7bf67bfef74