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.
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 draggable_attribute, dropzone_attribute and dragevent TCs
Allow doc_root and ws_doc_root to be passed in as config options.
Revert "Allow doc_root and ws_doc_root to be passed in as config options."

This reverts commit 13647f6cab54c00f702ac884f1b901da8faac88b.
Merge pull request #278 from yutak/shadow-dom/distribution-invariants

shadow-dom: Update a test that checks invariants across distribution.
Merge pull request #178 from omo/html-imports

Added basic set of HTML Imports test.
Move imports to html-imports