Change name of exclusion file since there will be other scripts with exclusiond.
Sorting job objects in $BackupJobs makes no sense since we have to sort
again when generating the email message.  The email message is generated
from the contents of a hash table and and a hast table's keys attribute has
no guarenteed order.
Add CopyTemplate function.  Doesn't worjk since Copy-VBRJob cmdlet fails
Sort  in a single piped line.
Fix indentation.
always return a value in Get-Exclusions
Handle lack of exclusion file and always return a value.
cleanup out vcenter connection at end.
Disconnect from virtualcenter when done.
refactor AddVMToJob parameters.