* Do not fill model on status widget creation, parent widget should request it (opening Workbench should not result in a run of repo.dirstate.status() until the user switches to the working directory node).
* qrefresh support, checkbox for -D option
* qrefresh support, checkbox for -D option
* threaded / wrapped commit (need a CmdRunner equivalent)
* threaded / wrapped commit (need a CmdRunner equivalent)
* +1 / -1 head indication (not as important with workbench integration)
* +1 / -1 head indication (not as important with workbench integration)