added --withproject to include a sln/csproj to edit layout files with intellisense
Resolving conflicts between #136 and #137

Conflicts:
	src/Pretzel.Logic/Commands/CommandParameters.cs
	src/Pretzel.Logic/Recipe/Recipe.cs
	src/Pretzel.Tests/Recipe/RecipeTests.cs
	src/Pretzel/Commands/RecipeCommand.cs
	src/Pretzel.Logic/Pretzel.Logic.csproj