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
Update to reflect example and new query syntax
Add guide for Handling Metadata
Add Ember(/Data) canary warnings
make doc consistent with code (references aliased property instead of binding)
[cookbook] Formatted dates -- computed property bind to date and format

The example property is currently only bound to format.
Update users.yml
Create khelkund.png
Delete khelkund.png
added khelkund to the users list
Merge pull request #937 from vinay3206/master

Adding KhelKund.com on ember listing
Fix missing var
Merge pull request #940 from robottaway/master

Fix missing var
add chronosave to ember user
Merge pull request #942 from giraudsa/master

add ChronoSave to ember user
taille logo chronosave
Merge pull request #943 from giraudsa/master

size of chronosave logo