Bind objects to newly added iframes in the Application

Conflicts:

	lib/ripple/bootstrap.js
[Emulator Bridge] Only cache the device window and route onmessage to it
update for 01.org
Merge pull request #215 from zhizhangchen/support-dynamic-added-iframes

Support iframe in apps
[Feature] Type cast utility implementation.
Merge pull request #222 from wcwang/next

[Feature] Type cast utility implementation.
[TypeCast] Apply type cast to Bookmark, Contact and Content modules.
Merge pull request #223 from wcwang/next

[TypeCast] Apply type cast to Bookmark, Contact and Content modules.
bugfix: TDIS-5516
sync doesn't work if errorCallback is missing.
Merge branch 'next' into tizen

Conflicts:
	lib/ripple/ui/plugins/about-dialog/dialog.html
update for WW21 QA