pothos-gui: begin signals/slots gui work
pothos-gui: connection endpoint direction member for signal/slots support
pothos-blocks: PeriodicTrigger block to test signals
pothos-gui: integration of GraphSigSlotConn type
pothos-gui: combine connection with GraphSigSlotConn
pothos-gui: display tweaks for connection, and connection points
pothos-gui: began work on ConnectionPropertiesPanel
pothos-gui: filling in signals and slots in selection widget
pothos-gui: moved buttons and scroll to PropertiesPanelDock
pothos-gui: filling in connections properties
pothos-gui: connection storage for signal/slot pairs
pothos-gui: ConnectionPropertiesPanel refactor for mixed
pothos-library: rename isSpecial to isSigSlot
pothos-gui: split name from key for block properties
pothos-gui: split name from key for block ports
pothos-gui: filling in the idToStr in ConnectionPropertiesPanel
pothos-gui: topology engine traverses signal slots
pothos-gui: switch to HTML based dot markup
pothos-gui: line static text for signal/slots
Merge branch 'sigslots_gui'