Automatic merge of T1.5.1-569-g8f17be306 and 13 pull requests

- Pull request #757 at 98dd1a7: Unify RailDriver code implementations
- Pull request #831 at 594df54: poor mans switch panel on tablet
- Pull request #839 at d00beb9: First phase of https://blueprints.launchpad.net/or/+spec/additional-cruise-control-parameters
- Pull request #841 at 410a585: https://blueprints.launchpad.net/or/+spec/animating-trainset-windows
- Pull request #853 at d05f581: Notify out of focus
- Pull request #855 at b39e5d8: Adds new route from TrainSimulations
- Pull request #857 at 9afc8c3: Adding Air Flow Meters
- Pull request #863 at a34b857: Alternate preset 3D cabviewpoints
- Pull request #864 at e71bc5a: Fixes for Undesired Emergency Applications
- Pull request #865 at 776d6df: Dispatcher window improvements
- Pull request #866 at c15333e: Fix Articulation For 0-Axle Train Cars
- Pull request #870 at 5cb32fa: Fix water restore
- Pull request #871 at c2388e6: Signal aspects are multiplied when reopening Dispatcher Window

Author: openrails-bot

Source/RunActivity/Viewer3D/Debugging/DebugViewerForm.cs

@@ -213,6 +213,7 @@ private void InitializeWindow()
         {
             ViewWindow = new RectangleF(0, 0, 5000f, 5000f);
             windowSizeUpDown.Accelerations.Add(new NumericUpDownAcceleration(1, 100));
+            boxSetSignal.Items.Clear();
             boxSetSignal.Items.Add("System Controlled");
             boxSetSignal.Items.Add("Stop");
             boxSetSignal.Items.Add("Approach");