Make rest api timeout configureable.

It is important to be able to increase timeouts on api when running
orchestrate tasks via pepper.

Change-Id: I3ff0988bfec3ec4715348c5de15247fe0b075443
diff --git a/tests/pillar/master_api.sls b/tests/pillar/master_api.sls
index 6be5097..4687480 100644
--- a/tests/pillar/master_api.sls
+++ b/tests/pillar/master_api.sls
@@ -20,6 +20,7 @@
         formula: {}
   api:
     enabled: true
+    rest_timeout: 7200
     ssl:
       engine: salt
     bind: