Generate pod components within components subdirectory.
Git based app blueprints

Extends `ember new'`s --blueprint option to accept git remotes in
either git@someservice.com:app-blueprint-test.git or
https://someservice.com/trek/app-blueprint-test.git style git remote
urls.
Merge pull request #2103 from trek/git-app-blueprints

WIP: Git based app blueprints
Merge pull request #2130 from kamalaknn/grp-pod-components

Generate pod components within components subdirectory.
Ensure that the app config does not get mutated by addons.
Merge pull request #2133 from rwjblue/ensure-app-config-wins

Ensure that the app config does not get mutated by addons.
[Bugfix] update CSP addon, it works now.
Merge pull request #2136 from stefanpenner/update-csp

[Bugfix] update CSP addon, it works now.
Update broccoli related dependencies.

Does not bring any symlinking, but does improve support in preparation.
Merge pull request #2138 from rwjblue/update-deps

Update broccoli related dependencies.
Bump RSVP version
Update CSP addon.

* Fix quoting issue with `self` and `none` default values (they must be
  quoted but they were not previously).
* Enable `unsafe-eval` when running in development environment. Required
  for use with `wrapInEval` (which defaults to "on" when running in
  development mode).
Merge pull request #2140 from thejchap/recursive-process-fix

Bump RSVP version
Merge pull request #2141 from rwjblue/update-csp-addon

Update CSP addon.
Use injection as example in initializer blueprint

Fixes #2147
Merge pull request #2148 from jgwhite/fix-2147

Use injection as example in initializer blueprint
Implement {{content-for 'head'}}.
Merge pull request #2153 from rwjblue/implement-content-for

Implement {{content-for 'head'}}.
Update broccoli-asset-rev.
Merge pull request #2167 from abuiles/update-broccoli-assets-rev

Update broccoli-asset-rev.