multiple ports now separated in gui
moved tabs from dmmainwindow to guisimulation for group work
fixed tab selection
added representation for group in tab
code improvement, fixed simulation loading in gui
GUISimulation::updatePorts() now virtual
separated groupnode from modelnode
PortType now moved to core
adapted to new module observer
adapted to selfregistering observer
generalized PortNode
outcommented GroupNode::updatePorts
groupnode now derived from modelnode
removed groupPorts vector
improved modelnode size references
fixed apperiance
fixed removal of tab
simulationtab now got the root module, so does each module
fixed gui issue with group ports
remove module now correctly deletes modelnode from map