OpenQuake Hazardlib 0.24.0

[Michele Simionato (@micheles)]

• Added a ruptureCollection parser able to instantiate EBRuptures
  suitable for event based calculations
• Used rtree in geo.utils.GeographicObjects to get the closest point
• Fixed a numeric issue in the square root of negative small numbers that
  actually should have been zero
• Removed the parallel.Computer base class
• Introduced a "grp_probability" attribute to SourceGroups, for use in
  the Japan mutex model
• Added an utility method ProbabilityMap.convert2 to convert a probability
  map into a two-dimensional array of curves

[Abhineet Gupta, Anirudh Rao (@raoanirudh)]

• Implemented the Shahjouei & Pezeshk (2016) GMPE

[Michele Simionato (@micheles)]

• Merged the Hazard Modeller Toolkit inside oq-hazardlib
• Experimental support for the Grid Engine
• Fixed the serialization to HDF5 of nonparametric ruptures

[Paolo Tormene (@ptormene)]

• Fixed clockwise order of vertices of surface boundaries, as needed for
  WKT MULTIPOLYGON strings while exporting ruptures

[Michele Simionato (@micheles)]

• Added input checks to the GmfComputer
• Fixed bug when splitting area sources into point sources for
  YoungsCoppersmith1985MFD
• Added a method hdf5.File.save to save node dictionaries in HDF5 format
• Increased IMPERFECT_RECTANGLE_TOLERANCE to 0.002
• Moved in hazardlib the tests for the sourcewriter (from the engine)
• Enabled rtree filtering only if the site collection is at sea level
• Added a parallel.Computer base class
• Changed the default distance from filtering from Rjb to Rrup
• Saved data transfer information automatically in parallel.Starmap