Automatic merge of T1.5-rc1-55-g01de7b11e and 13 pull requests

- Pull request #570 at 824f96f: Experimental glTF 2.0 support with PBR lighting
- Pull request #630 at 704731a: Sky Color Fix (Addresses Trello Roadmap Card #367 for More accurate sunrise and sunset)
- Pull request #652 at 918fdb1: Add button functions to Raildriver
- Pull request #677 at 12d50c5: Correct double heading bug
- Pull request #688 at e44897d: adds Help Icons to Video tab
- Pull request #692 at 20de7da: Italian translation for OR 1.5
- Pull request #693 at 453ac3d: French locales
- Pull request #699 at 6baf43d: Bug fix for https://bugs.launchpad.net/or/+bug/1987453. Web: HUD/Force Information, some labels not visible.
- Pull request #705 at 80408da: feat: Updated Russian translations
- Pull request #706 at 1dbf5a5: TCS Extensions
- Pull request #707 at f718615: fix: Add help option to help output of Data Collector
- Pull request #708 at 9383448: fix: Add help option to help output of Data Converter
- Pull request #709 at dc950d9: fix: Add help option to help output to Data Validator

Source/Contrib/DataConverter/Program.cs

@@ -97,6 +97,11 @@ static void ShowHelp(List<IDataConverter> converters)
             Console.WriteLine("  <INPUT>   Specifies the file to read");
             Console.WriteLine("  <OUTPUT>  Specifies the file to generate");
             Console.WriteLine();
+            Console.WriteLine("Options:");
+            Console.WriteLine("  /input   Indicate that next argument is input");
+            Console.WriteLine("  /output  Indicate that following arguments are outputs");
+            Console.WriteLine("  /help    Show help and usage information");
+            Console.WriteLine();
             Console.WriteLine("Multiple outputs may be specified for each input");
             Console.WriteLine();
             Console.WriteLine("Available file format conversions:");

Source/Contrib/DataValidator/Program.cs

@@ -50,6 +50,7 @@ static void ShowHelp()
             Console.WriteLine();
             Console.WriteLine("Options:");
             Console.WriteLine("  /verbose  Displays all expected/valid values in addition to any errors");
+            Console.WriteLine("  /help     Show help and usage information");
             Console.WriteLine();
         }