* Added ability to create, mount, and unmount VHDs
* Refactoring; Accept -vhdSize on VHD creation; Retrieve drive letter on mount
* Handle vhdSize values
* Enabled creation of VHDX files
* Updated help strings
* Delete broken VHD on VHD creation failures
* Don't delete vhd on vhd creation failure if failure is ERROR_FILE_EXISTS
* Adjusted min/max vhd siez
* Expose option to mount VHD as RO or RW.
* Modify func signatures in VHDProvider
* Added updated CreateCIM and WVDUtilities binaries
stephenk-msft