pep8: Clean-up

Fixed ws etc. and renamed _bitCount to _bc.

Signed-off-by: Tony Asleson <tasleson@redhat.com>
Signed-off-by: Andy Grover <agrover@redhat.com>
fs.py: Fix FS listing

Looks like btrfs command line changed output on listing
sub volumes, changed to accomodate.

Signed-off-by: Tony Asleson <tasleson@redhat.com>
Signed-off-by: Andy Grover <agrover@redhat.com>
nfs.py: Make nfs export changes persistent V2

In a glaring oversight the changes made via targetd for nfs exports was lost
on system reboot.  This patch fixes that by taking every export that is listed
via `exportfs -v` and writes a file will all the enteries to /etc/exports.d.

Signed-off-by: Tony Asleson <tasleson@redhat.com>
[add space after #s - asg]
Signed-off-by: Andy Grover <agrover@redhat.com>
nfs.py: Only write out needed exports

Only write out exports that are not in /etc/exports.

Signed-off-by: Tony Asleson <tasleson@redhat.com>
Signed-off-by: Andy Grover <agrover@redhat.com>