scinet stuff ... more testing needed
Merge branch 'develop' of https://github.com/mfriedel/pydpiper into develop

Conflicts:
	pydpiper/pipeline_executor.py
small fixes
local executor doesn't have to sleep very long
whoops
Merge branch 'develop' of https://github.com/mfriedel/pydpiper into develop
executor jobs submitted to PBS queue depend on server start
small changes to logging
increase time to accept jobs with --scinet; left max idle time unchanged for now
Merge branch 'develop' of https://github.com/mfriedel/pydpiper into develop

Conflicts:
	pydpiper/pipeline_executor.py
Merge branch 'develop' into torque_dependencies

Conflicts:
	pydpiper/queueing.py
more work on scinet stuff
more hacking on scinet stuff
Merge branch 'develop' of https://github.com/mfriedel/pydpiper into develop
Merge branch 'develop' into torque_dependencies
try to fix inconsistent state sometimes achieved after executor loss
small code and documentation improvements
improve names of logfiles when using SGE queue
improve logfile naming on PBS queue -- still need cleaner naming and consistency across backends
Merge branch 'origin/develop' into torque_dependencies

Conflicts:
	pydpiper/pipeline.py
	pydpiper/pipeline_executor.py