Add "Who's using Ember Model" section
Be smarter about dirty checking cached vs. uncached.

Doing an || check makes boolean values, numeric values, and string values possibly behave incorrectly in the dirty checking code.
Merge pull request #77 from eventualbuddha/fix-boolean-attrs

Be smarter about dirty checking cached vs. uncached.
Merge pull request #78 from alexspeller/fix-attribute-serialization-for-null-values

Fix for null, zero, and missing values
.save() adds records to the identity map
Merge pull request #79 from darthdeus/create-adds-record-to-identity-map

Create adds record to identity map
Fix findMany to notify RecordArrays for a single id
Merge pull request #80 from darthdeus/fix-find-many

Fix findMany to notify RecordArrays for a single id (fix #67)
Add Digital Science to readme
Merge pull request #82 from alexspeller/add-dsci-to-whos-using

Add Digital Science to readme
Update README.md
Add option to specify hasMany class via string
Merge pull request #83 from darthdeus/eval-has-many-class-name

Add option to specify hasMany class via string
Add Travis CI :D
Use rootKey in toJSON if available
Merge pull request #85 from darthdeus/root-key-in-json

Use rootKey in toJSON if available
Add getAttr hook, which is called when attribute is fetched
Merge pull request #87 from drogus/get-attr

Add getAttr hook
Only findMany ids which aren't in the identity map
Merge pull request #88 from darthdeus/smart-find-coalescing

Only findMany ids which aren't in the identity map