pothos-gui: additional JSON checks to avoid access errors
pothos-gui: tabwidget for flat dialog (design vs rendered)
pothos-gui: added action to toggle full-screen view
pothos-gui: append file extension if missing on save
pothos-gui: handleFullScreenViewAction fix
pothos-gui: display JSON description in properties panel
pothos-gui: filter out newlines for prop edit
pothos-gui: simplify connect signals to slots
pothos-gui: when to disable block tree add button
pothos-gui: make eval environment unique to process
pothos-gui: activate button based on visible editor
pothos: work on file dialog widget
pothos-gui: added signals to file entry
pothos-gui: redid StringEntry for stylesheet purposes
Merge branch 'file_dialog'
pothos-gui: commit panel changes on replace event
pothos-gui: connected value changed signals for spinboxes
pothos-gui: remove mouse handers -- properly accepted in widget
pothos-gui: move double click properties open to GraphObject
pothos-gui: graph object emits context menu, graph widget can ignore