correct and warn if fcst < 0
make sure polynomial cost coefs and fuelcosts are floats
add wind_capacity_factor option
simplify ef_sweep default parameter calc. cleanup initial_dispatch results.
add show_config option for debugging
show_config passes all arguments through scheduler
use a minpower.cfg file from the case directory to override defaults
add filenames options. use one parser and update its defaults (otherwise --help isn't very usefull)
Version bump to 4.2.8 and updating CHANGES.txt