Added ability to run `lustre_operator --help` and get full help
without having to specify other arguments.
Fixed setquota short options for -B, -i, -I
Added output format 'dumper' to output eval'able perl data structures
using Data::Dumper
Changed dumper format to Terse output
Added offending line to error output for "unexpected header in output from lfs quota"
Changed interface to find to make it work well with Getopt::Long
Added docs for find