BugFix: Circuit shortcuts.
Editor: active Ctrl-N, Ctrl-S, Ctrl-Shift-S, Ctrl-O.
Circuit: Active Ctrl-S, Ctrl-Shift-S, Ctrl-N, Ctrl-O.
Move circuit actions to circuitwidget: arduino simulation.
Move circuit actions to circuitwidget.
BugFix: Simulation stops after undo, redo.
Switches: adjust impedances.
BugFix: Wave Generator: Saw Wave wrong freq.
BugFix: Editor: breakpoint menu should not show in Editor Mode
