Separate JS_ShutDown from the normal ScriptingHost shutdown, because it's resetting non-thread-safe per-process state.

DllLoader: Report dlerror when dlopen fails.
AtlasObject: Avoid ICC warnings caused by 'const T' being equivalent to
'T' when 'T' is already const.

This was SVN commit r5133.

source/ps/DllLoader.cpp

@@ -4,6 +4,7 @@
 
 #include "lib/posix/posix_dlfcn.h"
 #include "ps/CStr.h"
+#include "ps/CLogger.h"
 
 void* const HANDLE_UNAVAILABLE = (void*)-1;
 
@@ -65,7 +66,12 @@ bool DllLoader::LoadDLL()
 
 		// open failed (mostly likely SO not found)
 		if (! m_Handle)
+		{
+			char* error = dlerror();
+			if (error)
+				LOG(ERROR, "", "dlopen error: %s", error);
 			m_Handle = HANDLE_UNAVAILABLE;
+		}
 	}
 
 	return (m_Handle != HANDLE_UNAVAILABLE);