"This series contains some fixes and a unit test for the logic responsible
for locking counter cells."
* 'pdziepak/cell-locking-fixes/v1' of github.com:cloudius-systems/seastar-dev:
tests: add test for counter cell locker
cell_locking: fix schema upgrades
cell_locker: make locker non-movable
cell_locking: allow to be included by anyone
(cherry picked from commit b8c4b35b57)
