Provide `setState` and `setNode` notifications to the drivers#323

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davideaster wants to merge 3 commits intodevelopmentfrom branch/driver-setstate-setnode

+158-14

Commits on Aug 16, 2014

Add missing state and node definitions and make available to the drivers.
davideaster
committed
Add missing sequence and tree definitions and make available to the drivers.
davideaster
committed
Rough in driver notification of state and node actions.
davideaster
committed