Update td-todos.html
Update index.html
Update td-todos.html
Update td-todos.html
Update td-todos.html
Update td-todos.html
Update td-todos.html
Merge pull request #2 from rschoen/master

Make step 4 functional again, fix various inconsistencies in comments
Merge branch 'master' of git://github.com/ebidel/polymer-todomvc-codelab