fixed broken fragment links to underscore proxy methods
adding a rel=canonical
Merge pull request #1293 from wookiehangover/issue1292

Fix #1292 - unexpected results when passing undefined to Model.hasChanged
additional documentation for Model.clear

* specifies that the `id` attribute is removed
documenting model.clear's new behavior in the 0.9.0 changelog
Fix #1310 - off does not skip consecutive events.
adding scrollkit as an example site
Events.off uses reverse iteration to avoid altering indicies.

See comments on 83a24bb2d5355833e5d3184e9d30033db0ca8c74.
Merge pull request #1307 from wookiehangover/issue1306

additional documentation for Model.clear
changing links to underscorejs.org
Merge branch 'master' of github.com:documentcloud/backbone
Copied Backbone.ajax from global DOM lib at runtime to allow calls to Backbone.setDomLibrary to take effect and improve compatibility with test frameworks that mock $.ajax
Merge pull request #1317 from lennym/master

Allow Backbone.ajax to reflect changes made to $.ajax or Backbone.setDomLibrary()
Fixing Backbone.ajax implementation.
Changed mind. More breathing room.
smart @braddunbar simplification.
Jettison setDomLibrary in favor of Backbone.$.
Update docs.
implement optimized mobile version of backbone website
remove comment, fix my xy