Using argparse for simulator

[bknueven]

More progress on #93.

argparse interfaces nicely with the Pyomo Config system, which we would like to move towards. The simulator currently utilizes optparse, which was deprecated in Python 3.2

This PR also removes some deprecated or no-longer-supported options from runner scripts.

[darrylmelander]

The plugin code needs to be updated too.

Prescient/prescient/plugins/plugin_registration.py

Line 12 in cd0f019

def add_custom_commandline_option(option: Option) -> None:

[bknueven]

The plugin code needs to be updated too.

Prescient/prescient/plugins/plugin_registration.py

Line 12 in cd0f019

def add_custom_commandline_option(option: Option) -> None:

Because argparse doesn't have a class analogous to optparse.Option, I resorted to having this function call the add_argument method directly, just passing along its args and kwargs.

[bknueven]

As a final sanity check I ran git grep optparse on the top level prescient directory and came back empty.