Initial commit
Added some examples.
Added SpecK.Framework.Specs project.
Added IEstablish interface.
Added IEstablishmentProvider interface that provides access to the establishment actions.
Added class Establishments as implementation for IEstablish and IEstablishmentProvider.
Added basic fluent interfaces.
Added ISpecify interface as extension point for other fluent interface methods.
Added extension helper method AsSpecify.
Added IScenarioProvider that provides access to arrangement, action and assertion operations during evaluation.
Added IContext and When overload for saving a context.
Added todos.
Adapted TSubject and TResult in IAssert and IArrangeOrAssert to be covariant.
Added fluent stubs.
Added interface ICreateArguments for creation of enumerables of method invocations.
Added ArgumentCreator as implementation for ICreateArguments.
Added ReSharper.Annotations library.
Fixed compilation error.
Enabled nuget package restore.
Adapted AssemblyInfo.