"Publish" scenario strategy 1

[skinkie]

Collect all userstops of the same scenarioname.

select userstopcode from kv15_stopmessage JOIN kv15_stopmessage_userstopcode USING (dataownercode, messagecodedate, messagecodenumber) where messagescenario = 'Laan van NOI';

Create a new message with the scenariocontent as messagecontent, scenariostarttime as messagestarttime, scenarioendtime as messageendtime.

(what type should this message be or use the type of any of the attached messages?)