Move Configuration entity to Core project
Move ContentTypeMetadataValidatorProvider.cs
    - to Core project
Move ValidatablePropertyAdapter.cs
    - to Core project
Remove unused Exception clas
Rename misspelled class
- BrickPile.Core/Graph/ContentTypeRegistrationConvetion.cs -> BrickPile.Core/Graph/ContentTypeRegistrationConvention.cs
Remove unused index
Move BrickPileControllerFactory.cs
    - to Core project
Remove unused tree helper
Move MetadataProvider.cs
    - to Core project
Move RouteCollectionExtensions.cs
- BrickPile.UI/Common/RouteCollectionExtensions.cs -> BrickPile.Core/Extensions/RouteCollectionExtensions.cs
Remove HierarchyNode
- not used anymore due to refactoring of how we store pages
Move StructureInfo to Core project
Move NativeVirutalPathProvider to Core
Move menu helpers to core
Move ControllerMapper to Core
Remove unused files
Exclude drafts from index
Remove license text from files
Move routes to Core project
Move PageReference to Core