Fixed solution project order

- Solution now should auto-load the sandbox as the starting project
- Standardized the project names
StringTemplate library / Result object seed

- Added the Antlr4.StringTemplate library via Nuget
- Standardized the result object to require and save a seed number
Added ResultEmpty / Templates for ResultText
Remove broken projects / Sub-Engines Hierarchy

- Removed old DyCE Editor and DyCE Tester projects from the solution
- Added 'SubEngine' abstract property to EngineBase
- Implemented SubEngine property into derived engines
- Added simple tree-view of engine heirarchies
- Added the hard-coded list and object engines to the DyCEBag object for
testing
Added Engine Editor Templates

- UI now supports some engine editor templates
- Added binding to selected tree item.
- Added behavior to support binding to selected tree item
- Added blend interactivity Nuget package to support behavior
- Added a main ViewModel to the sandbox
- Bound the window title to the new WindowName property in the ViewModel
object
- Bindings in editors update the display names in realtime.
EngineObject property editor
EngineList property editor
Added engine results panel on right