Merge pull request #578 from sgrekhov/submission/unipro-custom-elements-3

Merge Custom Element registry sharing tests.
Remove the end </embed> tag
Update HTMLCollection tests for spec updates about enumerability of named properties.
Do the testing right after the iframe element is appended
Update according to review comments
my eeeeeeyes!!!
bring all CSS into using the same style
Rename the test filename frameElement.sub.html
test that select event is queued
test all kind of inputs the API applies on
Merge pull request #795 from w3c/runner-pretty

Runner pretty
WebDriver - Add attribute tests

Signed-off-by: AutomatedTester <dburns@mozilla.com>
Merge branch 'master' of github.com:w3c/web-platform-tests
WebDriver conformance tests for element clear command

Signed-off-by: AutomatedTester <dburns@mozilla.com>
Add new WebDriver Python local end

Signed-off-by: AutomatedTester <dburns@mozilla.com>
Update according to the review comments

1. Change the manual test to reference test
2. Refactor the events tests
3. Remove the usemap test
4. Update the test and assert descriptions and etc

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>
Adding missing inits to run webdriver tests
Add page load timeouts tests

Signed-off-by: AutomatedTester <dburns@mozilla.com>
updated to use common vendor prefix infrastructure
Reorganize dnd X-doc test to fit with conventions.
Updated according to the review comments

1. Add a test to check  window['']
2. Remove two invalid assertions
3. Update some descriptions and etc.