[ui] Add missing super constructor call to ComponentModel.

This makes the ComponentModel a true goog.Disposable.
[Validation] Remove jquery dependency.
Merge pull request #191 from dgurkaynak/master

[Validation] Remove jquery dependency.
Use original GoogleClosure library repository for submodule.
Replace goog.dom.query usages with querySelector.
Replace goog.dom.classes usages with goog.dom.classlist.
Remove type annotation in iteration function.