Merge pull request #90 from timgates42/bugfix_typo_resources

docs: fix simple typo, resourses -> resources

Fix exeption handling of unpacking k/v pair.

Set shutdown_grace_period for mesos agent.

Refactor env.

not test tdigest

Fix ui stage walltime.

Fix fail counters in ui

Trace the effect of task timeout.

specific pytest version

More specific err when conn mfsproxy fail.

Add more fatal_exceptions.

Longer timeout for staging.

Add fatal_exceptions.

Refactor about skipping bad record.