Add instructions for using FixtureAdapter
Update 2013-04-12-ember-data.md
Update 2013-04-12-ember-data.md
Update 2013-04-12-ember-data.md
Update 2013-04-12-ember-data.md
Update 2013-04-03-common-issues.md

Make more clear how to get ember data back.
Update 2013-04-11-testing.md

Move the `npm install -g phantomjs` line to the correct section/position.
Merge pull request #2087 from kevinansfield/patch-1

Update 2013-04-11-testing.md
Improve Overview
developing addons and blueprints page
some improvements as suggested by @stefanpenner
Merge pull request #1862 from kristianmandrup/gh-pages

addons post added
Re-order addons and blueprints guide.
Fix format.
Fix reference to test-helper.js and keep lines to 80 columns (sorry ;( ).
Add private git repo notes
Fix broken links and code section
Merge pull request #2165 from peterchoo/gh-pages

Update addon docs r.e. private repos
Fix typos in addons guide.
Merge pull request #2166 from abuiles/addons-guide-typos

Fix typos in addons guide.