Scheduler first commit

examples/schedule/models/README.md

@@ -0,0 +1,26 @@
+
+### association Exec_con
+    Integer gate_from;
+    Integer gate_to;
+
+### association Data_con
+
+### class Start [1..1]
+### class End [1..*]
+
+
+### class Match
+    optional Integer n;
+
+### class Rewrite
+
+### class Data_modify
+    String modify_dict;
+
+### class Loop
+    optional Boolean choise;
+
+## debugging tools
+
+### class Print(In_Exec, Out_Exec, In_Data)
+    optional Boolean event;