New: Included Functionality for Slugs (coscine/issues#804)

src/Project.Tests/DefaultControllerTests.cs

src/Project.Tests/Project.Tests.csproj

src/Project.Tests/ProjectControllerTests.cs

src/Project.Tests/app.config

src/Project.Tests/packages.config

src/Project/App.config

src/Project/Controllers/ProjectController.cs

src/Project/Controllers/SearchController.cs

src/Project/Project.csproj

src/Project/packages.config