Windows Azure Monitoring Services Library (Preview) + .NET 4.0 Support

- Adds Windows Azure Monitoring Services Libraries (Preview)
  - Alerts
  - Autoscale
  - Metrics
- Adds .NET Framework 4.0 builds to the standard WAML (Windows Azure Management Libraries) NuGet packages
- Moves the Microsoft.WindowsAzure.Configuration component into the `libraries` folder to utilize the same build system
- Increments NuGet package versions for updated libraries; add .NET 4.0 libraries
- Updates NuGet licenses appropriately
- Various build updates

These components make up the new Microsoft.WindowsAzure.Management.Monitoring NuGet package, part of the Windows Azure Management Libraries.

Provides Windows Azure Monitoring Services operations including a unified API to retrieve and configure monitoring metrics, alerts, and autoscale rules for your Windows Azure services.