Revert "Revert "far.py: put the network snr threshold back in to reduce number of triggers""

This reverts commit a23fd915.

gstlal-inspiral/python/far.py

@@ -130,8 +130,7 @@ class RankingStat(snglcoinc.LnLikelihoodRatioMixin):
 		pass
 
 	# network SNR threshold
-	# now clustering is enabled
-	network_snrsq_threshold = 0
+	network_snrsq_threshold = 49.0
 
 	def __init__(self, template_ids = None, instruments = frozenset(("H1", "L1", "V1")), population_model_file = None, dtdphi_file = None, min_instruments = 1, delta_t = 0.005, horizon_factors = None, idq_file = None):
 		self.numerator = inspiral_lr.LnSignalDensity(template_ids = template_ids, instruments = instruments, delta_t = delta_t, population_model_file = population_model_file, dtdphi_file = dtdphi_file, min_instruments = min_instruments, horizon_factors = horizon_factors, idq_file = idq_file)