Add opal representation properties for scripting feed, account and

folder.

EvergreenTests/ScriptingTests/scripts/testFeedOPML.applescript

@@ -0,0 +1,10 @@
+-- this script just tests that no error was generated from the script
+try
+	tell application "Evergreen"
+		opml representation of feed 1 of account 1
+	end tell
+on error message
+	return {test_result:false, script_result:message}
+end try
+
+return {test_result:true}