Upgrade Orchard 1.3 site from MVC3 (VS2010) to MVC4 (VS2012)

1. Uses NuGet Package to install MVC4 into the project
2. Manually change Rozer and MVC assembly configuration in the Web.Config files from old version to version 2 and 4. Add to Web.Config in each View folder of the project.

<configuration>

<system.web.webPages.razor>
        <host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
        <pages pageBaseType="Orchard.Mvc.ViewEngines.Razor.WebViewPage">
            <namespaces>
                <add namespace="System.Web.Mvc" />
                <add namespace="System.Web.Mvc.Ajax" />
                <add namespace="System.Web.Mvc.Html" />
                <add namespace="System.Web.Routing" />
                <add namespace="System.Linq"/>
                <add namespace="System.Collections.Generic"/>
                <add namespace="Orchard.Mvc.Html"/>
            </namespaces>
        </pages>
    </system.web.webPages.razor>

</configuration>

3. Remove “@” if it is in and “@{}” block.
4. Replace “jQueryUtils_TimePicker”