QC for SinglePopSMCpp_1W22 (Papio_anubis)

[saurabhbelsare]

PR for new model: #1216
Original paper: https://doi.org/10.1093/gbe/evac040
Parameter values: Section "LD-based Recombination Estimates" in methods of above paper has the description of the inference procedure. I obtained the file containing the actual parameters from the authors directly. Sharing with @chriscrsmith who is doing the QC directly.
Population indices: There is only one population

Potential issues that might lead to differences between the model implementations:

QC'er requests:

[petrelharp]

Closed in #1261