full DOM ioproc URI in converted DOM events's origintype
following recent discussions, <assign> doesn't raise an error for undeclared locations that ECMAScript can assign to anyway; it does now raise an error when assigning to read-only locations.
updated the test because assigning to undeclared but valid locations is not an error with ECMAScript
updated the tests because assigning to undeclared but valid locations is not an error with ECMAScript
included the new Invoke module in all demo files
shortened delay
<invoke> at last !!! (still in progress but passes a few tests already)
fixed a couple of tests, esp. to avoid a cross-domain XHR error
added a few <invoke>-related tests