A dynamic Rehosted Workflow Designer for WF 4

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <configSections>
    <section name="unity" type="Microsoft.Practices.Unity.Configuration.UnityConfigurationSection, Microsoft.Practices.Unity.Configuration"/>
    <section name="modules" type="Microsoft.Practices.Prism.Modularity.ModulesConfigurationSection, Microsoft.Practices.Prism"/>
  </configSections>
  <modules>
    <module assemblyFile="Selen.WorkflowTypeManagementModule.dll"
        moduleType="Selen.WorkflowTypeManagementModule.TypeSelectorModule, Selen.WorkflowTypeManagementModule"
        moduleName="TypeSelectorModule"/>
    <module assemblyFile="Selen.WorkflowSaveModule.dll"
        moduleType="Selen.WorkflowSaveModule.TypeBasedSaveModule, Selen.WorkflowSaveModule"
        moduleName="TypeBasedSaveModule"/>
    <module assemblyFile="RehostedDesigner.Designer.ViewModule.dll"
        moduleType="RehostedDesigner.Designer.ViewModule.StandardViewModule, RehostedDesigner.Designer.ViewModule"
        moduleName="DesignerModule"/>
    <module assemblyFile="RehostedDesigner.ToolboxModule.dll"
        moduleType="RehostedDesigner.ToolboxModule.StandardToolboxModule, RehostedDesigner.ToolboxModule"
        moduleName="StandardToolboxModule"/>
    <module assemblyFile="Selen.WorkflowStoragePropertyInspectorModule.dll"
        moduleType="Selen.WorkflowStoragePropertyInspectorModule.StoragePropertyInspectorViewModule, Selen.WorkflowStoragePropertyInspectorModule"
        moduleName="StoragePropertyInspectorViewModule"/>
    <module assemblyFile="RehostedDesigner.FileSystemManagerModule.dll"
        moduleType="RehostedDesigner.FileSystemManagerModule.StandardFileSystemManagerModule, RehostedDesigner.FileSystemManagerModule"
        moduleName="StandardFileSystemManagerModule"/>
    <module assemblyFile="RehostedDesigner.XamlViewModule.dll"
        moduleType="RehostedDesigner.XamlViewModule.StandardXamlViewModule, RehostedDesigner.XamlViewModule"
        moduleName="StandardXamlViewModule"/>
  </modules>
  <unity xmlns="http://schemas.microsoft.com/practices/2010/unity">
    <alias alias="singleton" type="Microsoft.Practices.Unity.ContainerControlledLifetimeManager,Microsoft.Practices.Unity" />
    <container>
      <register name="StandardFileSystemManagerViewModel"
          type="System.Object"
          mapTo="RehostedDesigner.FileSystemManagerModule.StandardFileSystemManagerViewModel, RehostedDesigner.FileSystemManagerModule">
        <lifetime type="singleton"/>
      </register>
      <register name="WorkflowSaveViewModel"
          type="System.Object"
          mapTo="Selen.WorkflowSaveModule.ViewModels.WorkflowSaveViewModel, Selen.WorkflowSaveModule.ViewModels">
        <lifetime type="singleton"/>
      </register>
      <register name="WorkflowTypeDialogViewModel"
          type="System.Object"
          mapTo="Selen.WorkflowTypeManagementModule.ViewModels.WorkflowTypeDialogViewModel, Selen.WorkflowTypeManagementModule.ViewModels"/>
      <register type="Selen.WorkflowDesigner.Contracts.IMainViewModel, Selen.WorkflowDesigner.Contracts"
          mapTo="Selen.WorkflowDesigner.ViewModels.MainViewModel, Selen.WorkflowDesigner.ViewModels">
        <lifetime type="singleton"/>
      </register>
      <register type="RehostedDesigner.Designer.ViewModels.Contracts.IDesignerViewModel, RehostedDesigner.Designer.ViewModels.Contracts"
          mapTo="RehostedDesigner.Designer.ViewModels.StandardDesignerViewModel, RehostedDesigner.Designer.ViewModels">
        <lifetime type="singleton"/>
      </register>
      <register type="RehostedDesigner.ToolboxModule.Contracts.IToolboxViewModel, RehostedDesigner.ToolboxModule.Contracts"
          mapTo="RehostedDesigner.ToolboxModule.StandardToolboxViewModel, RehostedDesigner.ToolboxModule">
        <lifetime type="singleton"/>
      </register>
      <register type="Selen.WorkflowDesigner.Storage.Contracts.WorkflowStorageData, Selen.WorkflowDesigner.Storage.Contracts">
        <lifetime type="singleton"/>
      </register>
      <register name="XamlViewModel"
        type="System.Object"
        mapTo="RehostedDesigner.XamlViewModule.StandardXamlViewModel, RehostedDesigner.XamlViewModule">
        <lifetime type="singleton"/>
      </register>
      <register name="Selen.ActivityWorkflowType"
        type="Selen.WorkflowDesigner.Storage.Contracts.IWorkflowType, Selen.WorkflowDesigner.Storage.Contracts"
        mapTo="Selen.ActivityWorkflowType.VoidActivityType, Selen.ActivityWorkflowType">
        <lifetime type="singleton"/>
      </register>
    </container>
  </unity>
  <connectionStrings>
    <add name="ProcessStepModelContainer" connectionString="metadata=res://*/ProcessStepWorkflowModel.csdl|res://*/ProcessStepWorkflowModel.ssdl|res://*/ProcessStepWorkflowModel.msl;provider=System.Data.SqlClient;provider connection string=&quot;data source=W16IT042\SQLEXPRESS;initial catalog=ProcessStepWorkflowDatabase;user id=sa;password=Traceability;multipleactiveresultsets=True;App=EntityFramework&quot;" providerName="System.Data.EntityClient" />
  </connectionStrings>
  <appSettings>
    <add key="activityFolder" value="activities"/>
    <add key="compiledActivityFolder" value="activityModules"/>
  </appSettings>
  <system.diagnostics>
    <trace autoflush="true" indentsize="4">
      <listeners>
        <add name="TextListener" type="System.Diagnostics.TextWriterTraceListener" initializeData="trace.log"/>
        <remove name="Default" />
      </listeners>
    </trace>
  </system.diagnostics>
</configuration>