Add support for Node 7

Add support for Node 7:
 - update dependencies to C++ modules
 - update engine requirements in package.json
 - update temp and istanbul to prevent deprecation message for os.tmpDir

Author: rosen-vladimirov

package.json

@@ -30,22 +30,22 @@
     "bluebird": "2.9.34",
     "bplist-parser": "0.1.0",
     "bufferpack": "0.0.6",
-    "bufferutil": "https://github.com/telerik/bufferutil/tarball/v1.0.1.3",
+    "bufferutil": "https://github.com/telerik/bufferutil/tarball/v1.0.1.4",
     "byline": "4.2.1",
     "chalk": "1.1.0",
     "cli-table": "https://github.com/telerik/cli-table/tarball/v0.3.1.2",
     "clui": "0.3.1",
     "colors": "1.1.2",
     "email-validator": "1.0.4",
     "esprima": "2.7.0",
-    "ffi": "https://github.com/icenium/node-ffi/tarball/v2.0.0.3",
-    "fibers": "https://github.com/icenium/node-fibers/tarball/v1.0.13.1",
+    "ffi": "https://github.com/icenium/node-ffi/tarball/v2.0.0.4",
+    "fibers": "https://github.com/icenium/node-fibers/tarball/v1.0.15.0",
     "filesize": "3.1.2",
     "gaze": "1.1.0",
     "glob": "^7.0.3",
     "iconv-lite": "0.4.11",
     "inquirer": "0.9.0",
-    "ios-sim-portable": "~1.5.0",
+    "ios-sim-portable": "~1.6.0",
     "lockfile": "1.0.1",
     "lodash": "4.13.1",
     "log4js": "0.6.26",
@@ -65,14 +65,14 @@
     "plistlib": "0.2.1",
     "progress-stream": "1.1.1",
     "properties-parser": "0.2.3",
-    "ref": "https://github.com/icenium/ref/tarball/v1.3.2.1",
-    "ref-struct": "https://github.com/telerik/ref-struct/tarball/v1.0.2.3",
+    "ref": "https://github.com/icenium/ref/tarball/v1.3.2.2",
+    "ref-struct": "https://github.com/telerik/ref-struct/tarball/v1.0.2.4",
     "semver": "5.0.1",
     "shelljs": "0.5.3",
     "source-map": "0.5.6",
     "tabtab": "https://github.com/Icenium/node-tabtab/tarball/master",
     "temp": "0.8.3",
-    "utf-8-validate": "https://github.com/telerik/utf-8-validate/tarball/v1.0.1.3",
+    "utf-8-validate": "https://github.com/telerik/utf-8-validate/tarball/v1.0.1.4",
     "winreg": "0.0.17",
     "ws": "0.7.1",
     "xcode": "https://github.com/NativeScript/node-xcode/archive/1.4.0.tar.gz",
@@ -90,7 +90,7 @@
     "grunt-shell": "1.3.0",
     "grunt-ts": "5.5.1",
     "grunt-tslint": "3.1.0",
-    "istanbul": "0.3.19",
+    "istanbul": "0.4.5",
     "mocha": "2.5.3",
     "mocha-fibers": "https://github.com/NativeScript/mocha-fibers.git",
     "mocha-typescript": "^1.0.4",
@@ -100,6 +100,6 @@
   },
   "license": "Apache-2.0",
   "engines": {
-    "node": ">=0.10.40 <0.11.0 || >=0.12.7 <0.13.0 || >=4.2.1 <5.0.0 || >=5.1.0 <7.0.0"
+    "node": ">=4.2.1 <5.0.0 || >=5.1.0 <8.0.0"
   }
 }