[docs] Tweak README

Fix our repository URL on GitHub.
Add variable definition for Promise doc. #1651
YUI and Loader build for latest Gallery build
Merge branch 'live-docs' into dev-master
[dom] Fix API docs in DOM methods

Fix defining params of following methods.

* setStyle()
* getStyle()
* setStyles()
* getComputedStyle()
[test] Assert that next() bounds the function to the test
[test] Allow next() to define a context
[test] Make sure that next() preserves the original context
Build Test module
Merge branch 'dom-docs' into live-docs
[dom] Build

min files are no changes.
Merge branch 'live-docs' into dev-master
[docs/node] add example for appendTo
[docs/node] update parameter documentation for appendTo
Merge branch 'live-docs' into dev-master