Merge remote-tracking branch 'origin/release/0.8.0'

build/SharedVersion.props

@@ -2,7 +2,7 @@
   xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Product>Avalonia</Product>
-    <Version>0.7.1</Version>
+    <Version>0.8.0</Version>
     <Copyright>Copyright 2018 &#169; The AvaloniaUI Project</Copyright>
     <PackageLicenseUrl>https://github.com/AvaloniaUI/Avalonia/blob/master/licence.md</PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/AvaloniaUI/Avalonia/</PackageProjectUrl>
@@ -11,4 +11,4 @@
     <NoWarn>CS1591</NoWarn>
     <LangVersion>latest</LangVersion>
   </PropertyGroup>
-</Project>
+</Project>