DOC Add docstrings for bayesian functions.
DOC Add docstrings for bayesian functions.

r0k3/pyfolio,femtotrader/pyfolio,YihaoLu/pyfolio,quantopian/pyfolio,raybuhr/pyfolio,dursk/pyfolio,sketchytechky/pyfolio,raybuhr/pyfolio,ChinaQuants/pyfolio,chayapan/pyfolio,ChinaQuants/pyfolio,femtotrader/pyfolio,dursk/pyfolio,quantopian/pyfolio,yanheven/pyfolio,yanheven/pyfolio,YihaoLu/pyfolio,sketchytechky/pyfolio,r0k3/pyfolio