SavedRouteExpeditionControl Adjustments
SavedRouteExpeditionControl Adjustments

Save UI has been streamlined, at cost of readability. Dialog interraction
is now all "Affirmative Consent" design: "Would you like to save first?
YES/NO/CANCEL"

* Fix #971: SQLException when overwriting different route
* Fix #1210: "unsaved route" dialog recursion

* Import file doesn't clear control until import data is known valid.
* Dialogs are all modal to ParentForm.
* No more `toolStripComboBoxRouteSelection_SelectedIndexChanged` recursion
* Organized usings
* De-referenced EMK.LightGeometry

jgoode/EDDiscovery,jgoode/EDDiscovery,mwerle/EDDiscovery,jthorpe4/EDDiscovery,mwerle/EDDiscovery