Node 9.3 (#22593)

* SignalsListener signal name

https://github.com/nodejs/node/pull/15606

* created Node 8 folder

* Create tsconfig.json

* Create tslint.json

* Create node-tests.ts

* Node 9

* update node header

* Tabs to spaces

* copy inspector.d.ts to v8 folder

* correct path mapping for v8

* disable no-declare-current-package for v8 module

* Correct version to 9.3.x
Add writableHighWaterMark/readableHighWaterMark to WriteStream/ReadStream
fixed setUncaughtExceptionCaptureCallback()
Add module.builtinModules
change os.EOL to const
add writableHighWaterMark to Duplex
writableHighWaterMark and readableHighWaterMark are readonly

* fs.realpathSync.native and fs.realpath.native

* fs.realpath.native tests

types/node/v8/tsconfig.json

@@ -0,0 +1,29 @@
+{
+    "files": [
+        "index.d.ts",
+        "node-tests.ts"
+    ],
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es6",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": false,
+        "strictFunctionTypes": true,
+        "baseUrl": "../../",
+        "typeRoots": [
+            "../../"
+        ],
+        "paths": {
+            "node": [
+                "node/v8"
+            ]
+        },
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    }
+}

types/node/v8/tslint.json

@@ -0,0 +1,26 @@
+{
+  "extends": "dtslint/dt.json",
+  "rules": {
+    // All are TODOs
+    "ban-types": false,
+    "dt-header": false,
+    "max-line-length": false,
+    "no-any-union": false,
+    "no-duplicate-imports": false,
+    "no-duplicate-variable": false,
+    "no-empty-interface": false,
+    "no-inferrable-types": false,
+    "no-internal-module": false,
+    "no-namespace": false,
+    "no-redundant-jsdoc": false,
+    "no-redundant-jsdoc-2": false,
+    "no-unnecessary-class": false,
+    "no-unnecessary-generics": false,
+    "no-unnecessary-qualifier": false,
+    "no-var-keyword": false,
+    "prefer-const": false,
+    "prefer-method-signature": false,
+    "strict-export-declare-modifiers": false,
+    "unified-signatures": false
+  }
+}