lib,src: move src/node.js to lib/internal/node.js

PR-URL: https://github.com/nodejs/node/pull/5103
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

node.gyp

@@ -16,7 +16,7 @@
     'node_target_type%': 'executable',
     'node_core_target_name%': 'node',
     'library_files': [
-      'src/node.js',
+      'lib/internal/node.js',
       'lib/_debug_agent.js',
       'lib/_debugger.js',
       'lib/assert.js',

src/node_javascript.cc

@@ -14,15 +14,15 @@ using v8::String;
 
 Local<String> MainSource(Environment* env) {
   return String::NewFromUtf8(
-      env->isolate(), reinterpret_cast<const char*>(node_native),
-      NewStringType::kNormal, sizeof(node_native)).ToLocalChecked();
+      env->isolate(), reinterpret_cast<const char*>(internal_node_native),
+      NewStringType::kNormal, sizeof(internal_node_native)).ToLocalChecked();
 }
 
 void DefineJavaScript(Environment* env, Local<Object> target) {
   HandleScope scope(env->isolate());
 
   for (auto native : natives) {
-    if (native.source != node_native) {
+    if (native.source != internal_node_native) {
       Local<String> name = String::NewFromUtf8(env->isolate(), native.name);
       Local<String> source =
           String::NewFromUtf8(