See merge request !728

See merge request !733

added correct vector_of_const_::operator[] and ::at

See merge request !710

taking into account that FactoryInfo is updated during dlopen

Deregistering a histogram via its name causes a memory corruption (often
resulting in a crash). The problem was that deReg(string) kept checking
the histogram list size while the list is actually being deleted in the
last call to deReg(TObject*).

Also improved the unit test coverage for this case.

Minor code clean up

See merge request !408

Fixes for clang build

See merge request gaudi/Gaudi!724

Implement error detection for Hive scheduler/eventloopmgr

See merge request gaudi/Gaudi!706

Modernize memory management in PrecedenceRulesGraph

See merge request gaudi/Gaudi!684

Revert "Merge branch 'RefactorContextPointer' into 'master'"

See merge request gaudi/Gaudi!725

This reverts merge request !719

simplify HLTEventLoopMgr

See merge request gaudi/Gaudi!686

Rewrite of PluginService in modern C++

See merge request !709

Avoid using a (possibly invalid) EventContext pointer

See merge request !719

See merge request !702

See merge request !705

See merge request !688

See merge request !701

see !604