Adjust the restart window

The test suite was causing the couch_replicator application to exit due
to couch_replicator_manager restaring frequently with the tests changing
the replicator_db. This just increases our tolerance to the frequency of
those restarts.
diff --git a/src/couch_replicator_sup.erl b/src/couch_replicator_sup.erl
index bfbc207..57ad63b 100644
--- a/src/couch_replicator_sup.erl
+++ b/src/couch_replicator_sup.erl
@@ -39,5 +39,5 @@
             supervisor,
             [couch_replicator_job_sup]}
     ],
-    {ok, {{one_for_one,10,3600}, Children}}.
+    {ok, {{one_for_one,10,1}, Children}}.