fix EventIDBase::operator>
Sequence identification, Algorithm::isClonable
initial release of v28r2 for Atlas
skip data dep calc for Sequences
filter circular data deps in Algorithms
update AlgContextSvc
show ForwardScheduler configuration
concurrent/sequential Sequences
gcc6.2 compat: virtual desctructor for IClassIDSvc
hotfix to AthSequencer support in Scheduler
support for AthSequeners
merge v28r1.003 into 20.8.X/Conditions