Fix various memory leaks on exit

Source/Engine/Core/Log.cpp

@@ -156,9 +156,9 @@ void Log::Logger::Dispose()
     WriteFloor();
 
     // Close
-    LogAfterInit = false;
     if (LogAfterInit)
     {
+        LogAfterInit = false;
         LogFile->Close();
         Delete(LogFile);
         LogFile = nullptr;

Source/Engine/Platform/Windows/WindowsFileSystemWatcher.cpp

@@ -182,6 +182,7 @@ WindowsFileSystemWatcher::~WindowsFileSystemWatcher()
         FileSystemWatchers::ThreadActive = false;
         QueueUserAPC(FileSystemWatchers::StopProc, FileSystemWatchers::Thread->GetHandle(), 0);
         FileSystemWatchers::Thread->Join();
+        Delete(FileSystemWatchers::Thread);
         FileSystemWatchers::Thread = nullptr;
     }
     FileSystemWatchers::Locker.Unlock();

Source/Engine/Scripting/Scripting.cpp

@@ -518,7 +518,7 @@ void Scripting::Release()
 
             module->Destroy(false);
         }
-        _nonNativeModules.Clear();
+        _nonNativeModules.ClearDelete();
         _hasGameModulesLoaded = false;
     }
 
@@ -619,7 +619,7 @@ void Scripting::Reload(bool canTriggerSceneReload)
         module->Destroy(true);
     }
     modules.Clear();
-    _nonNativeModules.Clear();
+    _nonNativeModules.ClearDelete();
     _hasGameModulesLoaded = false;
 
     // Give GC a try to cleanup old user objects and the other mess