chore(este.react): remove obsolete comment
fix(este.string.toFancyUrl): two or more whitespaces on ends
refactor(este.dom.lockForm): rename to este.dom.setFormEnabled
feat(este.Model): add getClone method and simplify validation

BREAKING CHANGE: Set does not return errors any more, use validate
method for validation. It also allow invalid state which is useful for
data bindings.