OpenQuake Engine 3.16.2

[Michele Simionato (@micheles)]

• Fixed a bug in extract_agg_curves affecting the QGIS plugin
• Fixed a bug in scenario calculations causing a mysterious IndexError in the
  line rctx.clon = c.lons[rctx.sids]

[Marco Pagani (@mmpagani), Michele Simionato (@micheles)]

• Fixed a bug in the source writer when writing NonParametricSources
• Removed the conditional spectrum calculator (it was experimental and
  not working properly in many cases)

[Michele Simionato (@micheles)]

• Now we log only when the DB schema is really upgraded
• Fixed the documentation about extracting hazard curves and maps
• Fixed KeyError in calculations using the EasternCan15Mid with PGA
• The minimum_magnitude parameter was ignored for multiFault sources
• Replaced hard-coded limit to 25 levels in the MRD postprocessor
  with a simple warning
• Fixed bug in oq zip: when starting from a directory different from the
  job.ini directory, .hdf5 files for nonparametric ruptures were not included
• Fixed a 32 bit / 64 bit bug in the hinge function of Kuehn et al. (2020)
• Forbidden source IDs with dots (".")