WIP on documentation cleanup

This merges "documentation" and "guides", which
previously did not have clear semantic differences
WIP on documentation refactor
Fix syntax error in config.rb
Add more outline and write intro to guide section
some typo
revert filling -> filing
Merge pull request #156 from sly7-7/patch-1

fixed some typo
Add JSFiddle and JSBin links to the community page's Get Help section
Merge pull request #159 from lukemelia/jsfiddle-links

Add JSFiddle and JSBin links to the community page's Get Help section
Added CrashLog to list of companies using Ember
Merge pull request #160 from crashlog/master

Added CrashLog.io to list of companies using Ember
Updated data/api.yml

Signed-off-by: thomas <thomas.decrick@gmail.com>
Design tweaks to site header

Signed-off-by: thomas <thomas.decrick@gmail.com>
replace deprecated `getPath` with `get` in Handlebars docs
Merge pull request #161 from xMartin/deprecated-getpath-in-handelbars-docs

replace deprecated `getPath` with `get` in Handlebars docs
Add new page background

Signed-off-by: thomas <thomas.decrick@gmail.com>
Design tweaks to site footer

Signed-off-by: thomas <thomas.decrick@gmail.com>
Merge pull request #162 from tdskate/master

Design tweaks based on Ember-Updates-10-23-2012.zip
Toushay is using Ember.js
Updated to 1.0.0-pre.2