debugging mode carries down to standalone mode
scheduler: don't change the default (empty) scenario directory
add economic_wind_shed option. improve stochastic shedding.
get economic_wind_shed working. add test
fix logging in standalone. allow debugging of standalone.
cleanup
fix schedule.post_horizon for end of times
much better process based naming of scheduled tasks via --pid option
Version bump to 4.2.11 and updating CHANGES.txt