Update rendering-a-template.md
Clarify URL update behaviour when using `transition.abort()`

Using the browser back button in conjunction with `transition.abort()` can lead to the browser URL being out of sync with what's displayed in the app. This commit adds a note explaining that `abort()` can occur after the URL is changed.
Move `isLoading` outside of actions
Update JS Bin example for asynchronous loading

The updated version uses the corrected `isLoading` location in `SpinButtonComponent`
Use ApplicationAdapter instead of creating a custom store.
fix typo in actions section of templates guide
Fix link to guide index markdown
Fixes #1245 with a link to the fixtures page.
Adding Planet Argon to users page.
Added missing colon (after "disabled") + added some bolding to highlight a few details
Added link text to {{link-to}} example
Spelling correction on Ember.run: msut -> must
add Selleo to ember-users page
Merge pull request #1387 from Selleo/master

add Selleo to ember-users page
Merge pull request #1386 from jasonmit/master

Spelling correction on Ember.run: msut -> must
Fix a typo
Merge pull request #1388 from bortevik/patch-1

Fix a typo
Add emberflare.com to the list of content resources.
Adds guide details about `changedAttributes` and `rollback`
Merge pull request #1394 from danmcclain/documenting-changedAttributes

Adds guide details about `changedAttributes` and `rollback`