anchor.diff:  hazard attribution process and infrastructure models flexible to allow
   for expansion to other hazards and new infrastructure sectors.
   
  -SIFRA was developed in [Geoscience Australia (GA)](<http://www.ga.gov.au/)
  +SIFRA was developed in http://www.ga.gov.au/[Geoscience Australia (GA)]
   in support of the agency's vision to contribute to enhancing the resilience
   of communities in Australia and its region.
   
  
positive.code: <http://www.lfd.uci.edu/~gohlke/pythonlibs/>
  
  For Windows 64 bit systems, you will need to download the ``wheels`` for
  [python-igraph](http://www.lfd.uci.edu/~gohlke/pythonlibs/#python-igraph)
  and [pygraphviz](http://www.lfd.uci.edu/~gohlke/pythonlibs/#pygraphviz):
  
  - ``python_igraph-0.7.1.post6-cp27-none-win_amd64.whl``
  - ``pygraphviz-1.3.1-cp27-none-win_amd64.whl``
  
negative.code: dependency changes on software behaviour.
  
  The virtual environments were initally described and implemented using
  https://www.continuum.io/[Ananconda]. The new system is being designed as
  microservices implemented in docker containers. If you have docker installed on
  your system it is probably easiest to use the containers as described below.
  
  