Fixed typo in isDirty example

It should be a get call instead of a set call
Merge pull request #1772 from ujjwalt/patch-1

Fixed typo in isDirty example
Use the ApplicationAdapter property instead of creating a custom Store
just to create a custom adapter.
Copy-editing
Merge pull request #1775 from bmac/use-modern-adapter-syntax

Use the ApplicationAdapter property instead of creating a custom Store
change documentation from hash to payload
Merge pull request #1782 from denisnazarov/patch-1

change doc from hash to payload
Minor typo
Update data adapter test with new Ember version
Merge pull request #1785 from teddyzeenny/debug-adapter

Update data adapter test with new Ember version
Make sure data adapter tests pass for Ember <= 1.4
Merge pull request #1786 from teddyzeenny/debug-adapter-ember

Make sure data adapter tests pass for Ember <= 1.4
Document the store#update method.
Merge pull request #1787 from bmac/doc-store-update

Document the store#update method.
Document the difference between Store push() vs. createRecord() ect.
Merge pull request #1788 from bmac/createrecord-vs-push

Document the difference between Store push() vs. createRecord() ect.
Remove `window` references in favor of `Ember.lookup`.
Merge pull request #1800 from rjackson/do-not-rely-on-window

Remove `window` references in favor of `Ember.lookup`.
[doc] camelize `all` example for consistency
Merge pull request #1783 from mfeckie/patch-1

Minor typo