Remove shadowed `clear` function from todo models.
Added test for sorting during collection#add
Fix namespace reference in the todos example app docs.
Merge pull request #1669 from liquid/docs_fixes

Fix namespace reference in the todos example app docs.
Remove dead code.

Since the root will always contain a leading slash and
the fragment will never contain a leading slash, the
fragment will never start with the root.
Fix #1677 - Escape title attribute.
Merge pull request #1674 from braddunbar/url-root

Remove dead code.
Merge pull request #1667 from braddunbar/add

Fix #1604 - Refactor add, remove index option.
Merge pull request #1612 from joshvermaire/chain_navigation

allow for chaining of router navigation
fixing z-index
Merge branch 'master' of github.com:documentcloud/backbone
Fixes #1589 -- make the Backbonejs.org docs go responsive.
consistently handle `undefined` being passed to the model constr (#1545)
Merge pull request #1691 from wookiehangover/issue_1545

consistently handle `undefined` being passed to the model constr (#1545)
Fix #1684 - Correct regression in refactoring extend.
Merge pull request #1692 from braddunbar/extend

Fix #1684 - Correct regression in refactoring extend.
refactor change/set, fixing #1478 and #1664
whitespace cleanup after rebase
Allow view.el to be provided as a function.
fixing unescaped regex