support more interesting noise types in evaluate_decoder

[Krastanov]

In #212 we created evaluate_decoder and a number of different "ecc circuit setup" configurations. However these are incomplete: only unbiased Pauli noise is currently supported, and some noise parameters are not even taken into account.

We need much more thorough support for this:

• support two-qubit gate noise
• support single-qubit gate noise
• support for measurement noise
• all of these should support at least biased Pauli noise
• the CommutationCheckECCSetup is biased in a way inconsistent with the other ECC setup types - make equivalent parameterizations available between each setup type
• noise during preparation of ancillary qubits
• these improvements need to be documented