PATH-8: Clean up automated mounts
PATH-8: Clean up automated mounts

Refactor main() a bit to ensure that we always have a chance
to clean up any automatically-created mounts.

intel-hpdd/lemur,intel-hpdd/lemur,intel-hpdd/lemur,intel-hpdd/lemur,intel-hpdd/lemur,intel-hpdd/lemur