Remove scripts/nbd_client.pyc from the tree

I committed the file accidentally.  It's a temporary file that shouldn't
be there.

Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>
Add .pyc files to gitignore

They are temporary files and should be ignored.

Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>
Add missing tst-libc-locking.cc file

Add the actual test case that was forgotten from commit a9f8092
("Introduce test for libc locking").

Signed-off-by: Tomasz Grabiec <tgrabiec@cloudius-systems.com>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>
Add Cassandra to manifest

Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>
Add Cassandra startup script
Add Cassandra OSv patch
usr.manifest: logging properties