specdep: Fix Pylint warnings

Signed-off-by: Euan Harris <euan.harris@citrix.com>
test_specdep: Fix Pylint line length warnings

Signed-off-by: Euan Harris <euan.harris@citrix.com>
test_pkg: Rename tests/SPECS to tests/data

Signed-off-by: Euan Harris <euan.harris@citrix.com>
test_pkg: Use unittest's assertEqual() instead of plain assert

Signed-off-by: Euan Harris <euan.harris@citrix.com>
test_pkg: Disable name warning for Debian suite's setUp method

Signed-off-by: Euan Harris <euan.harris@citrix.com>
test_pkg: Test all forms of source URL

Signed-off-by: Euan Harris <euan.harris@citrix.com>
ocaml-nbd: Update to 1.0.1 and spring-clean spec file

ocaml-nbd no longer uses obuild.

Signed-off-by: Euan Harris <euan.harris@citrix.com>