Use document fragment on iterator binding
Get rid of unseenNode map altogether
Remove all nodes every time and append child fragment
Remove all nodes every time and append child fragment
Make sure we cleanup nodes
Cleaner solution to nodeMap
don't tase me bro
Defer some initialization until it's needed, remove unused method
Remove show/hide animation mixin support in favour of smart views with event handlers
Bump qqunit for new jsdom
Make the solo querySelectorAll polyfill a bit more resilient to jsdom's silliness
Merge pull request #697 from Shopify/iterator-binding-speed

Use document fragment on iterator binding
Merge branch 'master' into bindings_are_their_own_underscore_batman