Update Deploy-IISFTP.ps1

This Script will do the following

- Parse the VM library for Windows Server 2012 R2 Datacenter and select the latest patched version
- Deploy a Large VM (faster provisioning)
- Windows Features Provisioned: IIS, FTP, .NetFramework
- FTP access for Administrators, opens firewall for port 21, creates azure endpoint for ftp (port 21)
- Install GoogleChrome, NotePadPlusPlus, 7ZiP
- Provision IaaS AntiMalware Extension
- Resize the VM to Small