added LinearGaussianCPD.__init__
added LinearGaussianCPD.__init__

kris-singh/pgmpy,ankurankan/pgmpy,jhonatanoliveira/pgmpy,pgmpy/pgmpy,abinashpanda/pgmpy,pgmpy/pgmpy,ankurankan/pgmpy,khalibartan/pgmpy,kris-singh/pgmpy,sandeepkrjha/pgmpy,jhonatanoliveira/pgmpy,khalibartan/pgmpy,abinashpanda/pgmpy,sandeepkrjha/pgmpy