Mouse and keyboard enhancements
* Adjust offsets and gains of individual traces in TraceViewer using the mouse (75)
* Add EpochEncoder shortcuts for toggling range, setting left/right limits (76)
* Add EpochEncoder shortcut for saving and smarter prompt to save at exit (77, 78)
Other enhancements
* Add a parameter to NavigationToolBar for setting datetime string format (70)
* Use scientific notation in TraceViewer gain spin boxes less often (71)
Documentation
* Add links to RawIO list in Neo’s docs (69)