gstlal_inspiral_metric_overlap: put overlap thresh at 0.25 to keep files smaller

gstlal-ugly/bin/gstlal_inspiral_metric_overlap

@@ -50,7 +50,7 @@ for n, vec1, in enumerate(vec1s):
 	g, det = g_ij(vec1[1:])
 	def match(vec2, vec1 = vec1, g = g):
 		return (vec1[0], vec2[0], g_ij.pseudo_match(g, vec1[1:], vec2[1:]))
-	thisoutput = [row for row in map(match, vec2s) if row[2] > 0.01]
+	thisoutput = [row for row in map(match, vec2s) if row[2] > 0.25]
 	print n, len(thisoutput)
 	output += thisoutput