Better error messages
Do not require addon tree to be present.
Merge pull request #2044 from rwjblue/allow-addons-without-addon-dir

Do not require addon tree to be present.
Use the correct addon name in addon generated package.json.
Merge pull request #2042 from rwjblue/use-the-proper-addon-name

Use the correct addon name in addon generated package.json.
Add `Registry.prototype.remove`.

Makes it possible to remove a preregistered plugin.
Add note to RELEASE doc: Update gh-pages/_config.yml version
Merge pull request #2049 from alexdiliberto/master

Add note to RELEASE doc: Update gh-pages/_config.yml version
Add `Registry.prototype.extensionsForType`.
Merge pull request #2048 from rwjblue/add-registry-remove

Add `Registry.prototype.remove`.
Merge pull request #2050 from rwjblue/extensions-for-type

Add `Registry.prototype.extensionsForType`.
Simplify Registry.prototype.extensionsForType.
Merge pull request #2052 from rwjblue/fixup-extensions-for-type

Simplify Registry.prototype.extensionsForType.
Adds --pod option for blueprints generate and destroy. Adds
`fileMapTokens` to blueprints.
Merge pull request #1994 from trabus/pod-blueprints

Add pod blueprint generators
Merge pull request #2043 from ef4/error-messages

Better error messages
Allow addon/ to contain any known JS filetypes.

This allows usage of `*.coffee` (or any other `js` type preprocessor).
Ensure window.EmberENV uses the EmberENV key from config/environment.js.
Merge pull request #2054 from rwjblue/allow-addons-to-handle-all-types

Allow addon/ to contain any known JS filetypes.
Merge pull request #2057 from rwjblue/use-ember-env-properly

Ensure window.EmberENV uses the EmberENV key from config/environment.js.