Document system/model/states.js
- Remove references to state manager
- Expose state docs as YUI docs
- Update state docs to remove reference to unused states
- Document DS.RootState
Document system/model/model.js
- Also fixed incorrect example in system/model/attributes.js thanks @bradleypriest
Document the DS.Transform class and its subclasses
Merge pull request #1573 from bmac/transform-docs

Document the DS.Transform class and its subclasses
Merge pull request #1565 from bmac/model-states-docs

Document system/model/states.js
Merge pull request #1560 from bmac/model-model-docs

Document system/model/model.js
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