add status class in

status.py

@@ -0,0 +1,29 @@
+### shared variables to show state of save/delete when we redirect to 'show all' view
+class Status:
+    alert="success"
+    message=""
+
+    def GetAlert(self):
+        return self.alert
+
+    def SetAlert(self, al):
+        self.alert=al
+        return
+
+    def GetMessage(self):
+        return self.message
+
+    def SetMessage(self, msg):
+        self.message=msg
+        return
+
+    def AppendMessage(self, msg):
+        self.message=self.message+msg
+        return
+
+    def ClearMessage(self):
+        self.alert="success"
+        self.message=""
+        return ""
+
+st=Status()