Added Help page.
Modified AgencyController to return request data instead of redirecting.
Added test page, index.html.
Progress meter now shows progress instead of being indeterminite.
Null values in output JSON are now ignored.
Added map.
Shapes and Stops layers are now created when GTFS data is loaded.
Added Gtfs JavaScript library.
Updated GTFS.NET reference.
Added XML documentation comments.
Missing XML doc comment warnings are disabled for files added by HelpPage NuGet package.
Updated GTFS.NET.
Minor formatting changes in gtfs.js.