Automatic merge of T1.5.1-1296-gbcc0da32d2 and 19 pull requests

- Pull request #980 at 86bcd3a: Downloading route content (Github, zip) second part 
- Pull request #839 at d00beb9: First phase of https://blueprints.launchpad.net/or/+spec/additional-cruise-control-parameters
- Pull request #891 at 9a1d6b2: Auto save
- Pull request #892 at 1f5ba4c: Signal Function OPP_SIG_ID_TRAINPATH
- Pull request #952 at bb031b7: Investigation - Pulsing graphics
- Pull request #953 at a519452: Fix Lights Crash on Corrupt Shapes
- Pull request #954 at 23cb0c3: Multiple Track Profiles & Superelevation Rewrite
- Pull request #972 at e90a2aa: On Map window color changed switch or signal is not changed
- Pull request #981 at 10d297f: Multiple type trainset lightglows
- Pull request #984 at 0f8122e: Player train switching for timetable mode
- Pull request #988 at f1d4d18: Conditional sound, blueprint https://blueprints.launchpad.net/or/+spec/conditional-sound
- Pull request #989 at 32a9961: Fix: TrainCarOperations-crashes-locales
- Pull request #990 at 37d8ea6: Fix TrainDrivingInfo, some texts are misaligned.
- Pull request #991 at 220b61e: Fix TrainCarOperations no interacts AltPgDn AltPgUp.
- Pull request #993 at db9fa82: Fix trainset windows documentation in OR manual
- Pull request #994 at 1de8de6: 2 fixes in the OR manual
- Pull request #900 at c27f32d: DMI updates
- Pull request #876 at f92de76: docs: add source for documents previously on website to source Documentation folder
- Pull request #995 at 992191c: Fix: TrainCarOperations and TrainOperationsViewer windows overlap.

Author: openrails-bot

Source/Orts.Simulation/Simulation/Signalling/Signals.cs

@@ -567,10 +567,8 @@ public void Update(bool preUpdate)
 
             if (foundSignals > 0)
             {
-                // loop through all signals
-```            // loop through all the signals, but only one batch of signals with every call to this method.
-                // update required part
-```             // update one batch of signals. Batch ends when time taken exceeds 1/20th of time for all signals.
+                // loop through all the signals, but only one batch of signals with every call to this method.
+                // update one batch of signals. Batch ends when time taken exceeds 1/20th of time for all signals.
                 // Processing 1/20th of signals in each batch gave a jerky result as processing time varies greatly.
                 // Smoother results now that equal time is given to each batch and let the batch size vary.
                 var updates = 0;