Merge pull request #578 from rjackson/update-broccoli

Update to Broccoli 0.10.
Swap broccoli-template for broccoli-ember-hbs-template-compiler. Fixes #408
Merge pull request #574 from xtian/precompile-hbs

Add broccoli-ember-hbs-template-compiler. Fixes #408
Update CHANGELOG.md
Update to broccoli 0.11.