Offer the possibility to use different objects for the @initialize and @main

In some languages (such as ThingML) It would be nicer to have the @Initialize method directly on the main container, but use an @Main on another kind of object.

This would lead to a slightly different launcher where the user will have to select both the object for the initialization action and another object for starting the execution (main). This could be optional( some check-box in the launcher)