Add inffo that OpenRails must be closed for export.

Includes an unrelated change. The check for an INI file path was
inconsistent, using EndsWith for input and Contains for output.

Author: rwf-rr

Source/Contrib/SettingsExporter/Program.cs

@@ -67,7 +67,7 @@ static int Main(string[] args)
             // determine where to load from
             if (fromArg.Equals("INI")) { loadFilePath = SettingsBase.DefaultSettingsFileName; }
             else if (fromArg.Equals("REG")) { loadRegistryKey = SettingsBase.DefaultRegistryKey; }
-            else if (fromArg.EndsWith(".ini")) { loadFilePath = fromArg; }
+            else if (fromArg.Contains(".ini")) { loadFilePath = fromArg; }
             else { loadRegistryKey = fromArg; }
 
             // check that source exists
@@ -212,6 +212,8 @@ static void ShowHelp()
             Console.WriteLine("  <to>       Specify the destination to save the settings to. Similar to <from>.");
             Console.WriteLine("  /h, /help  Show this help.");
             Console.WriteLine();
+            Console.WriteLine("Important: Close all OpenRails instances before exporting the settings. Otherwise the exported settings may be stale.");
+            Console.WriteLine();
             Console.WriteLine("This utility reads the Settings (Options) from one location, and exports them to another location.");
             Console.WriteLine("It creates a backup of any settings that will be overwritten. Example:");
             Console.WriteLine("  <installfolder>\\OpenRails.ini.bak");

Source/Documentation/Manual/appendices.rst

@@ -750,6 +750,9 @@ The Settings Exporter is accessible from the "Tools" button in the main window.
 The Settings Exporter may also be used to create a backup of the settings, or to copy the settings from
 the INI file back into the registry.
 
+Important: Close all OpenRails instances before exporting the settings.
+Otherwise the exported settings may be stale.
+
 Alternatively, create an empty file "OpenRails.ini" in the same folder as "OpenRails.exe" and start Open Rails.
 The program will attempt to load settings from the file, using default values for settings that 
 cannot be found and populates the INI file with these settings.