New video on VMDK to VHD conversion options

Added a new video to go with Chapter 13 of the new book. Talks about options to convert VMDK to VHD including using the NetApp Shift technology for superfast conversions.

Key useful links:

• MVMC – http://www.microsoft.com/en-us/download/details.aspx?id=34591
• MAT – http://gallery.technet.microsoft.com/Automation-Toolkit-for-d0822a53
• NetApp Project Shift – https://communities.netapp.com/community/netapp-blogs/msenviro/blog/2013/08/02/mat-powered-by-project-shift