Automatic merge of T1.5.1-687-gd279e384a and 11 pull requests

- Pull request #570 at c59c788: Experimental glTF 2.0 support with PBR lighting
- Pull request #839 at d00beb9: First phase of https://blueprints.launchpad.net/or/+spec/additional-cruise-control-parameters
- Pull request #865 at 67014b7: Dispatcher window improvements
- Pull request #874 at f8dbeab: Dynamic brake controller refactoring
- Pull request #875 at 43bf33e: Bug fix for https://bugs.launchpad.net/or/+bug/2036346 Player train switching doesn't work with 3D cabs
- Pull request #876 at f92de76: docs: add source for documents previously on website to source Documentation folder
- Pull request #878 at 25f5e06: Implement Polach Adhesion
- Pull request #882 at d8a1c4d: Blueprint/train car operations UI window
- Pull request #883 at edcc2dd: SwitchPanel disconnect/connect handling
- Pull request #885 at c81447b: feat: Add notifications to Menu
- Pull request #886 at 7c4922e: Scene viewer extension to TrackViewer

Author: openrails-bot

Source/Contrib/TrackViewer/Program.cs

@@ -1,4 +1,4 @@
-// COPYRIGHT 2014, 2018 by the Open Rails project.
+// COPYRIGHT 2014, 2018 by the Open Rails project.
 // 
 // This file is part of Open Rails.
 // 
@@ -15,10 +15,11 @@
 // You should have received a copy of the GNU General Public License
 // along with Open Rails.  If not, see <http://www.gnu.org/licenses/>.
 using System;
+using System.IO;
 using System.Diagnostics;
+using System.Reflection;
 using System.Windows.Forms;
 
-
 namespace ORTS.TrackViewer
 {
     static class Program
@@ -31,6 +32,11 @@ static void Main(string[] args)
         {
             using (TrackViewer trackViewer = new TrackViewer(args))
             {
+                //enables loading of dll for specific architecture(32 or 64bit) from distinct folders, useful when both versions require same name (as for OpenAL32.dll)
+                string path = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Native");
+                path = Path.Combine(path, (Environment.Is64BitProcess) ? "X64" : "X86");
+                Orts.NativeMethods.SetDllDirectory(path);
+
                 // code below is modified version from what is found in GameStateRunActivity.cs
                 if (Debugger.IsAttached) // Separate code path during debugging, so IDE stops at the problem and not at the message.
                 {

Source/RunActivity/Program.cs

@@ -31,10 +31,10 @@
 
 namespace Orts
 {
-    static class NativeMethods
+    public static class NativeMethods
     {
         [DllImport("kernel32.dll", CallingConvention = CallingConvention.StdCall)]
-        internal static extern bool SetDllDirectory(string pathName);
+        public static extern bool SetDllDirectory(string pathName);
     }
 
     static class Program