* Incremental work
* Enable control over when to include full compositie root
* Cleanup
* Update WorkflowDefinitionActivity
* Implement input as variables
* Delete unused class
* Remove less common types
* Rename ExpandoObject to JSON
* Implement variable scoping
* Remove parent/child relationship from MemoryRegister
* Add support for sending input to "trigger event" endpoint
* Add support for configuring input storage driver
* Remove unused namespace imports
* Auto-register activity types when running a workflow
* Fix missing variables from containers
* Add support for converting lists of things
* Add support for workflows returning a result
* Formatting
* Fix that While would complete twice
* Add convenience methods to access workflow input
* Schedule the workflow itself instead of just its root
* Add Output dictionary to workflow execution context
* Ad samples to demonstrate workflows returning results
