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
fixed a grammatical error
Merge pull request #1331 from rgksugan/patch-1

fixed a grammatical error
Core Team Meeting Minutes - 2014/02/28
Merge pull request #1332 from trek/core-team-meeting-minutes-2014-02-28

Core Team Meeting Minutes - 2014/02/28
Fix link to guide index markdown
Add documentation on the RESTAdapter's headers object to the guides
Merge pull request #1334 from bmac/doc-adapter-headers

Add documentation on the RESTAdapter's headers object to the guides
Fix length access in redirection guide
Merge pull request #1335 from alexspeller/fix-redirecting-guide

Fix length access in redirection guide
Update Query Params guide to latest API iteration

See here for details, (don't don't merge this 
until that is merged):

https://github.com/emberjs/ember.js/pull/4468
Crush png images

```
find . -type f -name *.png | xargs /usr/local/bin/optipng -o6 -strip all
find . -type f -name *.png | xargs /usr/local/bin/advdef -z -4 -i 5
```

9.3M -> 8.3M
Crush jpgs

```
find . -type f -name *.jpg | xargs -I {} /usr/local/bin/jpegtran -copy none -optimize -perfect -outfile {} {}
```

~20K improvement
Drop un-used edge_template.rb
Move google analytics code to the bottom of HTML