Bump version to 3.4.0.

Author: chriseldredge

Ciao.props

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Bootstrap" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
     <PropertyGroup Label="Version">
-        <VersionPrefix>3.3.4</VersionPrefix>
+        <VersionPrefix>3.4.0</VersionPrefix>
         <VersionSuffix></VersionSuffix>
     </PropertyGroup>