Default to development asset.
Add findWithAssert helper to tests/.jshintrc
allow style preprocessors to pass options
add style-plugin unit tests
Improve HTML Detection in History Support Middleware

Use built in ExpressJS methods for detecting HTML in the Accept header.
Merge pull request #1228 from jherdman/improve-html-detection-in-history-support

Improve HTML Detection in History Support Middleware
Remove extra test noise.

`runCommand` already prints the output, there is no reason to log it
again.
Merge pull request #1232 from rjackson/remove-extra-test-noise

Remove extra test noise.
Allow running tests in production.
Merge pull request #1230 from rjackson/use-environment-consistently

Allow testing of production assets.
Provide Ember CLI version to Project model.
Merge pull request #1239 from rjackson/provide-brocfile-with-ember-version

Provide Ember CLI version to Project model.
Split `app/templates` into its own tree.

Currently, we are processing the entire `app/templates` and `app/styles`
directories for all `preprocessJs` filters (this means things like
`ES3SafeFilter` are actually checking each template).

This makes `templates` it's own tree, and splits things up
appropriately.
Fix tree returned by addonTreesFor('styles') not being included
Merge pull request #1238 from rjackson/split-templates-tree

Split `app/templates` into its own tree.
Merge pull request #1229 from aexmachina/styles-addon-trees

Tree returned by addonTreesFor('styles') is not included
Update blueprint blueprint
Merge pull request #1243 from jgwhite/blueprint-blueprint-update

Update blueprint blueprint
Do not watch nested directories again.

Without this change, two change events are triggered when a template or
style file is changed.
Merge pull request #1247 from rjackson/dont-double-watch-dirs

Do not watch nested directories again.