eb-6619: added support for purging stale sessions

temp table temp_stale_auth_sessions
stored procedure sp_purge_stale_auth_sessions
scheduler/job job_purge_stale_auth_sessions to execute sproc 1/minute
eb-8669: added support for purging old logs

stored procedure sp_purge_scws_log
scheduler/job job_purge_scws_log to execute sproc daily
eb-6619: fixed typo in job config, MINUTELY (not MINUTE)
Merge remote-tracking branch 'upstream/master'