ICB-DCM/pyABC: pyABC 0.10.15

Sampler:

• Allow redis dynamical sampler to only wait for relevant particles after a generatio, giving a speed-up without drawbacks (#448)
• Add option to limit number of delayed look-ahead samples to limit memory usage (#428)

Logging:

• Standardize output of floats (#450)
• Use hierarchical logging (ABC.Submodule) (#417)

General:

• Refactor: Remove deprecated nr_samples_per_parameter, internal simplifications (#422)
• Tidy up and minimize dependencies (#436, #441)
• External: Remove simulation files after collecting results (#434)
• Make feather/pyarrow dependency optional for older hardware (#442)

Documentation:

• Add description of JupyterHub to documentation (#439)

CI:

• Test webserver basic functionality
• Rerun stochastically failing tests (all #436)
• Test whether dataframe storage routines work properly (#442)