Add support for exporting to SQLite 3 the same data as the PostgreSQL
export.

Committer note:

Tested on RHEL 7.4 using the 1.2.2-4el python-pyside packages from EPEL.
Signed-off-by: NAdrian Hunter <adrian.hunter@intel.com>
Tested-by: NArnaldo Carvalho de Melo <acme@redhat.com>
Link: http://lkml.kernel.org/r/1501749090-20357-4-git-send-email-adrian.hunter@intel.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>