updating for VS19 and removing BOM

README.md

@@ -1,4 +1,4 @@
----
+---
 topic: sample
 languages:
 - csharp
@@ -17,7 +17,7 @@ statusNotificationTargets:
 
 A mini-app for commuters to track drive times to various locations. The user adds frequently-visited destinations 
 using app-bar buttons or by tapping and holding on the map. Traffic App then provides a quick view into how long 
-it will take to drive to each place from the user’s current location, following the fastest route. The user can 
+it will take to drive to each place from the user's current location, following the fastest route. The user can 
 also flag a particular destination and a background task will periodically monitor traffic to that location, 
 alerting the user when traffic is adding ten minutes or more to the travel time. 
 
@@ -43,7 +43,11 @@ Traffic App highlights the following APIs:
 
 ## Universal Windows Platform development
 
-This sample requires [Visual Studio 2017 and the latest version of the Windows 10 SDK](http://go.microsoft.com/fwlink/?LinkID=280676). You can use the free Visual Studio Community Edition to build and run Windows Universal Platform (UWP) apps. 
+### Prerequisites
+
+- Windows 10. Minimum: Windows 10, version 1809 (10.0; Build 17763), also known as the Windows 10 October 2018 Update.
+- [Windows 10 SDK](https://developer.microsoft.com/windows/downloads/windows-10-sdk). Minimum: Windows SDK version 10.0.17763.0 (Windows 10, version 1809).
+- [Visual Studio 2019](https://visualstudio.microsoft.com/downloads/) (or Visual Studio 2017). You can use the free Visual Studio Community Edition to build and run Windows Universal Platform (UWP) apps.
 
 To get the latest updates to Windows and the development tools, and to help shape their development, join 
 the [Windows Insider Program](https://insider.windows.com).
@@ -60,10 +64,10 @@ By default, the app generates four sample locations at random positions around y
 
 ## Code at a glance
 
-If you’re just interested in code snippets for certain API and don’t want to browse or run the full sample, check out the following files for examples of some highlighted features:
+If you're just interested in code snippets for certain API and don't want to browse or run the full sample, check out the following files for examples of some highlighted features:
 
 * [LocationHelper.cs](LocationHelper/LocationHelper.cs#L38)
-	- Getting the user’s current location using the [Geolocator](https://msdn.microsoft.com/library/windows/apps/windows.devices.geolocation.geolocator.aspx) class.
+	- Getting the user's current location using the [Geolocator](https://msdn.microsoft.com/library/windows/apps/windows.devices.geolocation.geolocator.aspx) class.
 	- Getting the route, travel time, and distance to a location using the [MapRouteFinder](https://msdn.microsoft.com/library/windows/apps/windows.services.maps.maproutefinder.aspx) class. 
 	- Getting the address for a particular position using the [MapLocationFinder](https://msdn.microsoft.com/library/windows/apps/windows.services.maps.maplocationfinder.aspx) class.
 	- Displaying a toast notification.