Add --use-encryption option for winrm

@adamedx  @NimishaS  @kaustubh-d 

Added changes for --use-encryption option. It will decide use of 'winrm-s' patch for winrm communication.

@adamedx I've fixed this comments Please have a look
1. Added Hint: in error message displayed for 401 error
2. Also renamed option + description 

Thank you!