OC-10743 - knife ec2 winrm ssl bootstrap

Implements the functionality to bootstrap a VM using winrm over SSL, this involves setting up certificate (.pfx) on VM, configuring Winrm SSL listener on VM.
Adds support to use erb templates to be sent over AWS user-data for following:
- create a user on windows VM
- setup winrm
- setup winrm SSL

**Testing in-progress.