Adding some functionality to add scattering (1/\nu^4)
Updated multinest capability in PAL2_run.pu
Changed default lower limit on spectral index to 1 instead of 0
Final MPI fixes (hopefully)
removed pyc files in bayestarMerge branch 'scattering'

Conflicts:
	PAL2/bayestar/plot.pyc
Starting adding frequency lines, on way to generic bursts!