Branding updates for 10 (#356)

Author: MichaelSimons

eng/Versions.props

@@ -2,7 +2,7 @@
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <!-- Repo Version Information -->
   <PropertyGroup>
-    <MajorVersion>9</MajorVersion>
+    <MajorVersion>10</MajorVersion>
     <MinorVersion>0</MinorVersion>
     <PatchVersion>0</PatchVersion>
     <PreReleaseVersionLabel>alpha</PreReleaseVersionLabel>