Add tests for the browsing contexts
Update codes as review suggestions

1. Change the document charset
2. Change the to xhtml
3. Remove help link
4. BackCompat test and etc

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>
Remove the doctype of xhtml
Tests for the window's frameElement attribute
Update according to review suggestions
Resolve issues

1. Merge frameelement-02.html into ~-01.html
2. Use Pipe as review suggestion to get a dynamic url

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>
Remove the end </embed> tag
Do the testing right after the iframe element is appended
Rename the test filename frameElement.sub.html
tests for callbacks attached and changed
adding missing resource file
refactoring 'move' test according to Dominic's notes
Remove doctype and update feedline characters
Remove the </iframe> tag and replace the line feed characters
Remove test files in IndexedDB/submissions/Opera/non-finished

- duplicate checkpoints.
Update keypath tests for IndexedDB

- The Date.now is to create nonrandundant objectstore name, but the database always be different by creatdb(), remove the additional postfix.
Merge pull request #833 from yunxiaoxie/yunxiaoxie/keypath

Update keypath tests for IndexedDB
Merge pull request #832 from yunxiaoxie/yunxiaoxie/not-finished2

Remove test files in IndexedDB/submissions/Opera/non-finished
cc Moved some RDFa Lite tests to make spec.
cc Moved another RDF Lite file to match spec.
cc Updated messages.json file.