Merge branch 'master' into enh/restingwf

* master:
  tst: added test for extra json
  tst: added test for mapnode multiple json failure
  fix: remove only json hash files
  Fixed filenames in documentation
  Added dummy files so doctest doesn't fail
  PEP8 for the whole interface
  Run autopep8 on misc.py
  Added inputs&outputs descriptions
  Working version
  Base class for FuzzyOverlap misc tool

Author: satra