Automatic merge of T1.5.1-573-g9a8e6af15 and 13 pull requests

- Pull request #757 at 98dd1a7: Unify RailDriver code implementations
- Pull request #831 at 3e672a8: 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 #873 at cf0ed99: Reduce allocations in signal script

Author: openrails-bot

Source/Orts.Simulation/Simulation/Signalling/CsSignalScript.cs

@@ -230,8 +230,9 @@ public string IdTextSignalAspect(int id, string sigfn, int headindex=0)
                 var heads = SignalObjectById(id)?.SignalHeads;
                 if (heads != null)
                 {
-                    foreach (SignalHead head in heads.Where(head => head.Function == function))
+                    foreach (SignalHead head in heads)
                     {
+                        if (head.Function != function) continue;
                         if (headindex <= 0) return head.TextSignalAspect;
                         headindex--;
                     }