fixed version to 3.4.0

Author: kopaka1822

ImageViewer/Properties/AssemblyInfo.cs

@@ -51,5 +51,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.3.*")]
+[assembly: AssemblyVersion("3.4.0")]
 [assembly: AssemblyFileVersion("3.0.0")]