no more twiddle hax

application.template.hbs

<my-component zomg="such Angle Bracket component" />

my-component.template.hbs

<b>wow {{attrs.zomg}}</b>

twiddle.json

{
  "version": "0.4.10",
  "EmberENV": {
    "DISABLE_RANGE_API": true,
    "FEATURES": {
      "ember-htmlbars-component-generation": true
    }
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "http://builds.emberjs.com/canary/ember.debug.js",
    "ember-template-compiler": "http://builds.emberjs.com/canary/ember-template-compiler.js"
  }
}