Remove Checksum Files

Remove CHECKSUM* files before calculating number of remaining files in
seed directory
LabStartup: ManageService default action changed

LabStartup - Default ManageXService action is “start” instead of
“query” and final output line of script includes # minutes running
SSL-Modules - added PEM generation based on crops feedback, made
HOST_SHORTNAME a required parameter, removed IPv6 config in VC
certificates, pending further testing. General code cleanup