added toggling a boolean property recipe content
Update Redirecting section in Routing guide

 * The `redirect` hook is now deprecated in favor of `beforeModel` and `afterModel`.
Custom JSON Transforms : Update sample code

The 'registerTransform' method has been removed, and there is a new
way to register a custom JSON transform.
Add back and bring up-to-date filtering section in Redirecting guide
Add section headers to Redirecting guide
added meetmantra's logo to source images about and added them to users.yml
GetFeedback is a very happy Ember user :)
Adding Noesis Software to user list
Add 5apps to users list
Added router rootURL configuration to guides
Merge pull request #828 from robmonie/route-root-url

Added router rootURL configuration to guides
Merge pull request #688 from ahazem/cookbook

Toggling a boolean property recipe

Merging and will add additional content into discussion.
fix a mistake in contributing cookbook
Merge pull request #838 from goshakkk/contributing-typo

Fix a mistake in contributing cookbook
Fixing broken link
Mention that Ember prototype extensions are optional early.
Merge pull request #841 from pwnall/prototype-panic

Mention that Ember prototype extensions are optional early.
Grammar nits.
Merge pull request #842 from pwnall/grammar

Grammar nits.
fixes wrong url, "Tag: V1.0.0", left navigation bar