Update Web.config

Fix bindingRedirect for Kudu deploy.

Author: Martin Makarský

DancingGoat/Web.config

@@ -179,7 +179,7 @@
 			</dependentAssembly>
 			<dependentAssembly>
 				<assemblyIdentity name="System.Net.Http" publicKeyToken="B03F5F7F11D50A3A" culture="neutral" />
-				<bindingRedirect oldVersion="0.0.0.0-4.2.0.0" newVersion="4.2.0.0" />
+				<bindingRedirect oldVersion="0.0.0.0-4.2.0.0" newVersion="4.0.0.0" />
 			</dependentAssembly>
 			<dependentAssembly>
 				<assemblyIdentity name="System.Linq.Queryable" publicKeyToken="B03F5F7F11D50A3A" culture="neutral" />