Add support for shm_size to docker driver

Add reload command to systemd unit file

docker/pkg packages.

Validate that tasks don't contain slashes

This reverts commit b3025782.

Blocked evals don't store TG alloc metrics

to more recent version (ba4298ecf4cfa216f1cce2befbf653359f62c722).

Reuse blocked evaluations and handle unblock events that occurred during scheduling

Use Bind Addr as server's IP while registering with consul in the absence of other configuration.