Retrieves all VMs and their guestOS hostnames if VMware Tools is installed.

Example Execution:

[vi-admin@scofield ~]$ ./getAllVMGuestHostname.pl --server himalaya.primp-industries.com --username root
Enter password:
VM Display Name         VM Guest Hostname               VMware Tools Status
------------------------------------------------------------------------
winXP-base              Not Available           toolsNotRunning
Imager          Not Available           toolsNotRunning
ESX4-2          Not Available           toolsNotInstalled
kate            Not Available           toolsNotRunning
primp-vapp-esx01                Not Available           toolsNotInstalled
primp-vapp-vcenter01            Not Available           toolsNotInstalled
William-XP              william         toolsOk
simplejack.primp-industries.com         Not Available           toolsNotInstalled
VIMA            vima.primp-industries.com               toolsOld