Update IMRPhenomTPHMParity

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

waveform/parity_XPHM.py

-def genIMRPhenomParity(**kwds):
+def gen(**kwds):
     from pycbc.waveform import get_fd_waveform
     import lal
     #print(kwds)
@@ -18,6 +18,6 @@ def genIMRPhenomParity(**kwds):
 #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']
+    kwds['cpu_fd']['IMRPhenomXPHMParity'] = gen
+    kwds['filter_time_lengths']['IMRPhenomXPHMParity'] = kwds['filter_time_lengths']['IMRPhenomXPHM']