Jettison setDomLibrary in favor of Backbone.$.
Update docs.
implement optimized mobile version of backbone website
remove comment, fix my xy
Merge pull request #1322 from braddunbar/backbone-$

Jettison setDomLibrary in favor of Backbone.$.
Improve test "merge in duplicate models with {merge: true}"
Reorder code in Collection.add
Further updates: 
* Clean up @media query indentation
* Support other larger resolution mobile phones
* Fix Backbone logo to not appear smushed
* Try alternate mobile sidebar display to indicate scrolling
* Fix width to be dynamic depending on width of screen
Merge pull request #1323 from hswolff/mobile-site

implement optimized mobile version of Backbone website
Updated `Collection.sort()` doc to clarify priority maintenance
Merge pull request #1341 from caseywebdev/master

Updated `Collection.sort()` doc to clarify priority maintenance
Allow Collection to receive falsy `comparator` to override default
Fixes #1343, adding Collection#slice
Merge branch 'master' of github.com:documentcloud/backbone
adding test for falsy comparators (#1342)
Merge pull request #1 from wookiehangover/issue1342

adding tests for falsy comparator
Simplified falsy comparator test case
Added a few more cases for the test
Merge pull request #1342 from caseywebdev/master

Allow Collection to receive falsy `comparator` to override default
Documentation for #1342.