Upgrade to version 2.3.1.114

Author: Charles Petzold

README.md

@@ -56,3 +56,8 @@ Currently, you can deploy the **UWP** project in several different ways based on
 
 The **appcompat** branch of the sample code repository contains Android projects that have been modified to use AppCompat and Material Design. The modification is the same as that described in the article [Adding AppCompat and Material Design](https://developer.xamarin.com/guides/xamarin-forms/platform-features/android/appcompat/).
 The two F# samples in Chapter 2 do not build in this branch. These are the only two samples that contain F# startup code.
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+### Version upgrades
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+As of August 12, 2016, all sample code has been upgraded to Xamarin.Forms version 2.3.1.114.
+