Update help text to reference `tools/tpm` instead of `tools/update`.


git-svn-id: http://tungsten-replicator.googlecode.com/svn/trunk@2571 9f5e3340-5c9a-25cb-7c1c-c133a2e9e928
Update issue 902
Fixed a bug in driver that was causing a NPE


git-svn-id: http://tungsten-replicator.googlecode.com/svn/trunk@2572 9f5e3340-5c9a-25cb-7c1c-c133a2e9e928