Fix an assert in Qt 5.4 when dealing with connections to slot objects.
WIP: StateMachineViewerWidgetNG
SME: Append toolbar
Follow SME changes.
StateMachine: Use SME only if Qt5Quick is found
Follow SME API changes
Layout explicitely
Adapt to SME API changes.
Add license headers.
KDSME is Qt5-only.
Keep the server side unchanged, so we keep the old view working for now.