@Michael: Order form to dropdown with only the actually available parameter-sets

[MichaelLangbein]

A few aspects about this issue:

We're providing a drop-down with "pre-approved" parameter-combinations.

• That's weird; after all, our architecture should work with all parameter combinations.
• But it's also required; TS-Simulations cannot run ad-hoc.

For the sake of not losing generality, I would like to keep the oder-form that we have currently in place.

• But: the order-form itself is already not-generalizable: after all, the form contains parameter-combinations that have been hardcoded to match our WPS'es.
• At least the current order form can be re-configured easily to accept other input-parameters.

[MichaelLangbein]

After discussion with Hugo:

• will likely want to change many parameters

Suggested design:

• use drop-down-form; very much like what we have now
• with every selection, update a note Given your selection, there are 420 orders available

Will not check if a combination has already been processed in the past - that'll be a separate issue.

[MichaelLangbein]

Current work ongoing here: https://github.com/riesgos/async/pull/95