Update 81 LUN Paths Check.ps1

Changed $lun[1] -ne $RecLUNPaths to $lun[1] -ge $RecLUNPaths to reflect that having more than the recommended $number of paths is also good. Our environment has a mix of 2-4 paths depending on storage controller.
Merge pull request #57 from jones-g/patch-1

Update 81 LUN Paths Check.ps1