Fixes a few typos.
Merge pull request #130 from 7footmoustache/master

Slight doc modifications
Fixes "it's" in README
Merge pull request #139 from strathmeyer/master

Fixes "it's" in README
Replacing usage of native indexOf with its underscore analog. This allows the script to be used in ie7 and ie8.
Merge pull request #142 from GeorgeErickson/master

Native indexOf breaks internet explorer.
Make item change tests more readable
Test view permanence in itemView rendering
Update Zepto to 1.0
Merge branch 'master' into template-registry
Alias: Thorax.template = Handlebars.templates