Remove whitespace causing flake8 failure

Signed-off-by: Byron Ruth <b@devel.io>
Move Serrano session middleware above CSRF middleware

For token-based authentication using the Serrano API, the CSRF check
is exempted.

Signed-off-by: Byron Ruth <b@devel.io>
add VCF exporter

Signed-off-by: Adam Wenocur <wenocur@email.chop.edu>