Merge branch '3891' into 'master'

org.fortiss.tooling.base.ui/META-INF/MANIFEST.MF

....base.ui/src/org/fortiss/tooling/base/ui/compose/.ratings

...ing/base/ui/compose/ConstraintBasedProcessCompositor.java

.../tooling/base/ui/editor/ConstraintBasedProcessEditor.java

...ng/base/ui/editor/ConstraintBasedProcessEditorHelper.java

...fortiss/tooling/base/ui/utils/ConstraintsBaseUIUtils.java

org.fortiss.tooling.base/model/.ratings

org.fortiss.tooling.base/model/base.ecore

org.fortiss.tooling.base/model/base.genmodel

...g/base/compose/ConstraintInstanceContainerCompositor.java

.../org/fortiss/tooling/base/utils/ConstraintsBaseUtils.java

org.fortiss.tooling.kernel.ui/plugin.xml

...l.ui/src/org/fortiss/tooling/kernel/ui/extension/.ratings

...rg/fortiss/tooling/kernel/ui/extension/IConstraintUI.java

...src/org/fortiss/tooling/kernel/ui/extension/base/.ratings

...s/tooling/kernel/ui/extension/base/ConstraintUIBases.java

...el.ui/src/org/fortiss/tooling/kernel/ui/internal/.ratings

.../tooling/kernel/ui/internal/ConstraintLabelDecorator.java

...rtiss/tooling/kernel/ui/internal/ConstraintUIService.java

...org/fortiss/tooling/kernel/ui/internal/MarkerService.java