add test for setSelectionRange method
add test case title
Added basic set of HTML Imports test.
Moved metadata from JS to link element
add input-type-button test files from TestTWF
Get rid of bad self-closing tags.
Merged redundant assert sections to titles.
First batch of i18n tests: translate mode
Updated translate attribute tests
Second update of translate attribute tests
shadow-dom: Update a test that checks invariants across distribution.
add blob determing encoding
fix the link
remove unreferenced file Blob.js
moved the dictionary
move the dictionary
remove reductant files
Add media resource selection tests
Remove <base> elements
Add some cases to test the link and base elements

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>