Fix test exec under android 2.3
Prevent load failback from being called twice
Import handlebars with context fix

https://github.com/wycats/handlebars.js/pull/213
use parent renderItem and renderEmpty methods if available
Hacky fix for broken view loading behavior
Add a comment regarding thorax's issue
Merge branch 'master' into add-card
Drastically reduce tap highlight timeout

This makes android happy(er)
Pull in zepto tap fix
Throw if rerendering view that is rendering
Use fetch queue in mergeFetch
Enforce async in load populated callback
Remove unnecessary delegate
Use global delegation for tap highlight

The removes a whole slew of event handlers that were otherwise
unnecessary.
Undelegate DOM events on destruction
Use event namespace for immediate events as well
Fix on/off binding behavior for thorax views
Remove closure
Cull GC tree for known values
Prevent duplicate rendering of view children