Add coffee and docco versions to package.json.

Also, test coffeescript integration in `npm test`.
remove initialize defaults logic; defaults handles this for us
update comparator and filter fns to showcase the latest and greatest
Fix #2364 - typo in index.html
Move Collection#sortedIndex definition
Merge pull request #2366 from gsamokovarov/sort-sorted-index

Move Collection#sortedIndex definition
Docco 0.6.1.
Merge pull request #2356 from braddunbar/dev-dependencies

Add coffee and docco versions to package.json.
Remove lingering comments on silent changes.
Write a test for making Router.routes accept a function

[#2255]
Make Router.routes accept a function

[#2255]
Fix test: making vars local
Fix #2376 - Update docs for changedAttributes.
removing errant comma following `_onModelEvent`
fixing broken comparator test in IE8 (missing return statement)
Merge pull request #2381 from wookiehangover/master

Fixing broken comparator test in IE8
Merge pull request #2378 from braddunbar/changed-attributes-docs

Fix #2376 - Update docs for changedAttributes.
Merge pull request #2375 from davidinjc/routes_function

Allow extending Router.routes by accepting a function
Fixes #2367 -- outdated documentation about validate()
Merge branch 'master' of github.com:documentcloud/backbone