Refs #8391 Added python implementation of energy range function
Refs #8391 Correcting function to pass system tests.
Refs #8391 Remove unused Fortran modules.

As the implementation in this ticket replaces them.
Refs #8391 Fix bin width counting.
Merge branch 'feature/8391_bayes_erange_python' of github.com:mantidproject/mantid into feature/8391_bayes_erange_python
Refs #8391 Fix bin widths again.
Refs #8391 Fix bound overflow issue.
Merge remote-tracking branch 'origin/feature/8391_bayes_erange_python'

Conflicts:
	Code/Mantid/scripts/Inelastic/IndirectBayes.py
Re #8391