Add tools to update html5lib tests.
Update html5lib tests.
Add a readme for updating these tests.
Remove trailing whitespace and unusued file.
URL tests from https://github.com/annevk/url/
added tests for html-longdesc

See README.html for more info.
renamed files to follow manual test naming convention

Renamed all of the manual test files (not supporting files) with a -manual suffix to satisfy naming convention for manual tests.  Updates references in README.html.
new test for setRequestHeader() with value arguments empty string, null, undefined
Remove some tests that do not add anything over Aryeh's reflection tests.
Merge pull request #389 from Ms2ger/obsolete-tests

Remove some tests that do not add anything over Aryeh's reflection tests.
Merge pull request #385 from w3c/add_setrequestheader_empty_test

new test for setRequestHeader() with value arguments empty string, null,...
Fix issues: https://critic.hoppipolla.co.uk/r/300
Merge pull request #319 from annevk/url

URL tests from https://github.com/annevk/url/
Update window-properties.html to current WebIDL.

In particular, WebIDL now defines that members of the global object end up on the object itself;
see http://dev.w3.org/2006/webapi/WebIDL/#es-attributes (second bullet, second and third
sub-bullets).
Merge pull request #394 from Ms2ger/window-own-properties

Update window-properties.html to current WebIDL; r=zcorpan
Pretty-print messages.json so git-diff shows diffs
Test that 'directory' and 'mod' elements get the HTMLUnknownElement interface.
Merge pull request #399 from Ms2ger/unknown-elements

Test that 'directory' and 'mod' elements get the HTMLUnknownElement interface; r=zcorpan
Merge pull request #382 from cptvitamin/cptvitamin/html-longdesc

added tests for html-longdesc
Merge pull request #309 from jgraham/html5lib_update

Update html5lib tests