Change Intel framework to round-robin insertion events across proxies

testing/btest/Baseline/scripts.base.frameworks.intel.cluster-transparency-with-proxy/manager-1..stdout

@@ -0,0 +1,5 @@
+new_item triggered for 1.2.3.4 by manager on manager-1
+insert_item: 4.3.2.1 inserted by worker-2
+new_item triggered for 4.3.2.1 by worker-2 on manager-1
+insert_item: 123.123.123.123 inserted by worker-1
+new_item triggered for 123.123.123.123 by worker-1 on manager-1

testing/btest/Baseline/scripts.base.frameworks.intel.cluster-transparency-with-proxy/manager-1.intel.log

@@ -0,0 +1,10 @@
+#separator \x09
+#set_separator	,
+#empty_field	(empty)
+#unset_field	-
+#path	intel
+#open	2018-02-27-17-03-26
+#fields	ts	uid	id.orig_h	id.orig_p	id.resp_h	id.resp_p	seen.indicator	seen.indicator_type	seen.where	seen.node	matched	sources	fuid	file_mime_type	file_desc
+#types	time	string	addr	port	addr	port	string	enum	enum	string	set[enum]	set[string]	string	string	string
+1519751006.478387	-	-	-	-	-	123.123.123.123	Intel::ADDR	Intel::IN_ANYWHERE	worker-2	Intel::ADDR	worker-1	-	-	-
+#close	2018-02-27-17-03-26

testing/btest/Baseline/scripts.base.frameworks.intel.cluster-transparency-with-proxy/worker-1..stdout

@@ -0,0 +1,4 @@
+new_indicator: 1.2.3.4 inserted by manager
+new_indicator: 4.3.2.1 inserted by worker-2
+new_item triggered for 123.123.123.123 by worker-1 on worker-1
+new_indicator: 123.123.123.123 inserted by worker-1

testing/btest/Baseline/scripts.base.frameworks.intel.cluster-transparency-with-proxy/worker-2..stdout

@@ -0,0 +1,5 @@
+new_indicator: 1.2.3.4 inserted by manager
+new_item triggered for 4.3.2.1 by worker-2 on worker-2
+new_indicator: 4.3.2.1 inserted by worker-2
+new_indicator: 123.123.123.123 inserted by worker-1
+Doing a lookup