Removed users oq_job_superv and oq_reslt_writer
Restored a call to record_job_stop_time which was lost
Removed some more obsolete parameters from openquake.cfg
More cleanup
Merge branch 'master' of github.com:gem/oq-engine into no-supervisor
Committed the missing grant file
Merge pull request #1322 from gem/no-supervisor

Removed the rest of the stuff related to the supervisor