plugins defined in a different way. Simulation engine runner is defined as a processing plugin

dream/simulation/Examples/DefaultAllInOneEmpty2.json

@@ -703,18 +703,19 @@
 		},
 		"preprocessing" : {
 			"plugin_list" : [{
-					"plugin" : "Default",
-					"input_id" : "Simulation"
-			}, {
-					"plugin" : "ReadShiftFromSpreadsheet",
-					"input_id" : "ShiftSpreadsheet"
+					"plugin" : "GatherWIPStat.GatherWIPStat",
+					"input_id" : "WIPStat"
 			}]
 		},
-		"postprocessing" : {
+		"processing" : {
 			"plugin_list" : [{
-				"plugin" : "CalculateConfidenceIntervals"
+					"plugin" : "plugin.DefaultExecutionPlugin",
+					"input_id" : "Simulation"
 			}]
 		},
+		"postprocessing" : {
+			"plugin_list" : []
+		},
 		"general" : {
 			"properties" : {
 				"numberOfReplications" : {
@@ -764,7 +765,7 @@
 					"default" : 1,
 					"description" : "When using the same seed, the random number generator produce the same sequence of numbers",
 					"title" : "Seed for random number generator",
-					"type" : "string"
+					"type" : "number"
 				},
 				"ke_url" : {
 					"default" : "http: //git.erp5.org/gitweb/dream.git/blob_plain/HEAD: /dream/KnowledgeExtraction/Mockup_Processingtimes.xls",