MARKOV: Eliminated the double docstrings by implementing Spencer's suggestion.  Renamed several variables and methods.
MARKOV: Eliminated the double docstrings by implementing Spencer's suggestion.  Renamed several variables and methods.

dingliumath/quant-econ,dingliumath/quant-econ,gxxjjj/QuantEcon.py,jviada/QuantEcon.py,gxxjjj/QuantEcon.py,andybrnr/QuantEcon.py,QuantEcon/QuantEcon.py,agutieda/QuantEcon.py,agutieda/QuantEcon.py,andybrnr/QuantEcon.py,mgahsan/QuantEcon.py,chenxulong/quanteco,mgahsan/QuantEcon.py,QuantEcon/QuantEcon.py,oyamad/QuantEcon.py,jviada/QuantEcon.py,oyamad/QuantEcon.py,chenxulong/quanteco