Enabled NuGet package restore.
The map is now contained in an iframe, preventing the CSS issues caused by the Ajax Control Toolkit controls.
Changed ArcGIS JS API link to compact version.
Map frame is now loaded when the map tab is clicked instead of when the document loads.
Added documentation.
Removed the local mapFrame variable from onTabClick so that duplicate map iframes are no longer created.
Map size now specified in CSS.
Updated README.md.