(either directly or indirectly) to Module is deprecated.  Just use
Variable."

- The lock should now be properly released even after abnormal termination
- Verbosity of the lock has been reduced while waiting to acquire a lock
- Fixed bug where a job would not be able to acquire a lock when the timeout
  expires

Moved the information about compilation directory from the sandbox to the advanced topic on the compilation pipeline

Compilation directory lock is now disabled again by default, due to lock files persisting after e.g. manually interrupting the compilation