Update IMRPhenomTPHMParity

-Created a setup.py file -reformatted parity.py to match the parity_TPHM.py

waveform/IMRPhenomParity.py

-def genIMRPhenomParity(**kwds):
-    from pycbc.waveform import get_fd_waveform
-    import lal
-    #print(kwds)
-
-    if 'approximant' in kwds:
-        kwds.pop("approximant")
-    hp, hc = get_fd_waveform(approximant="IMRPhenomXPHM", **kwds)
-
-    temp =  kwds['parity_amu'] / 1e9 / lal.QE_SI * lal.H_SI * lal.PI * lal.PI / lal.H0_SI
-
-    hp_parity = hp + hc * temp * hp.sample_frequencies **2
-    hc_parity = hc - hp * temp * hp.sample_frequencies **2
-
-    return hp_parity, hc_parity
-
-
-#pycbc.waveform.add_custom_waveform('IMRPhenomParity', IMRPhenomParity, 'frequency', force=True)
-
-def add_me(**kwds):
-    kwds['cpu_fd']['IMRPhenomParity'] = genIMRPhenomParity
-    kwds['filter_time_lengths']['IMRPhenomParity'] = kwds['filter_time_lengths']['IMRPhenomXPHM']
-