added no-playground flag to inca for the macho search

lalapps/src/inspiral/s2_dag.ini

@@ -109,3 +109,7 @@ dm = 0.0
 parameter-test = m1_and_m2
 dpsi0 = 0.0
 dpsi3 = 0.0
+; note that the no-playground option below must commented out and 
+; the all-data option uncommented when doing background time slides
+no-playground =
+; all-data =