Support the definition of basic objectives in SMT scheduling
Currently, only a draft version (in two variants) of latency
minimization exists, but its enabling is commented out in the code
(method generateBasicScheduleConstraints() of ScheduleRun).
It has to be refined and invoked in an ad-hoc method.
(from redmine: issue id 3358, created on 2018-03-29, closed on 2019-05-29)