Upgrades to Ember 1.3.2, replaces example code.

In order to avoid doling out bad advice to people and to spare ourselves 
the challenging build story presented by ember-data, we've ripped out
the previous example project code with exactly what you get from
Ember's starter-kit, with only a few additions:

* Jasmine spec-helper that defers app start and a simple test of the
App.IndexRoute
* Extract the handlebars templates into files, like a civilized project.
* Switch to grunt-ember-templates, which gives more control over
which handlebars version is used for precompilation.
Extract the ember config to a lineman-ember plugin