document the fixture adapter for ember data

Added some documentation on usage of the Fixture Adapter with an example
of subclassing DS.Model.
Added line about the active class getting added to links
Update source/guides/models/the-fixture-adapter.md

Fixed FixtureStore example to be more consistent with Ember's naming conventions.
Simple PoC of site search integration with Swiftype - swiftype.com
Fix #306
Add guide about controller's needs
Make kabisa logo transparent
style search results to be consistent with ember site look & feel

oranged it up!
Improve Back to Top Alignment and Responsiveness

Added padding to the "Back to Top" link so that it wasn't suffocating
against the edge of the browser window.

Added some responsive changes to the "Back to Top" link so that it
doesn't cover over Guide section navigation on browser window sizes
below 1200 and 1025 pixels.
fixed a typo: App.BlogPost -> App.Post

App.BlogPost should be App.Post instead
Enhance Templates/actions guide

Follow Ember's naming standards in code example
Started a description of the immediate parent render warning
Users: add rel="nofollow"
Merge pull request #320 from jamesarosen/nofollow_users

Users: add rel="nofollow"
fix code example for Ember.String.capitalize()
fix typo
findAll no longer exists
Remove extra like typo
Fixed header formatting for App.reset (looked like code, now looks like heading)
Clarification