Add support for Node.js 7.6.0 (#2563)

Use the new tags of our C++ dependencies, where we have prebuilt binaries for Node.js 7.6.0

Author: rosen-vladimirov

package.json

@@ -29,7 +29,7 @@
   "dependencies": {
     "bplist-parser": "0.1.0",
     "bufferpack": "0.0.6",
-    "bufferutil": "https://git.1-hub.cntelerik/bufferutil/tarball/v1.0.1.4",
+    "bufferutil": "https://git.1-hub.cntelerik/bufferutil/tarball/v1.0.1.5",
     "byline": "4.2.1",
     "chalk": "1.1.0",
     "chokidar": "^1.6.1",
@@ -38,7 +38,7 @@
     "colors": "1.1.2",
     "email-validator": "1.0.4",
     "esprima": "2.7.0",
-    "ffi": "https://git.1-hub.cnicenium/node-ffi/tarball/v2.0.0.4",
+    "ffi": "https://git.1-hub.cnicenium/node-ffi/tarball/v2.0.0.5",
     "filesize": "3.1.2",
     "gaze": "1.1.0",
     "glob": "^7.0.3",
@@ -63,14 +63,14 @@
     "plistlib": "0.2.1",
     "progress-stream": "1.1.1",
     "properties-parser": "0.2.3",
-    "ref": "https://git.1-hub.cnicenium/ref/tarball/v1.3.2.2",
-    "ref-struct": "https://git.1-hub.cntelerik/ref-struct/tarball/v1.0.2.4",
+    "ref": "https://git.1-hub.cnicenium/ref/tarball/v1.3.2.3",
+    "ref-struct": "https://git.1-hub.cntelerik/ref-struct/tarball/v1.0.2.5",
     "semver": "5.0.1",
     "shelljs": "0.7.6",
     "source-map": "0.5.6",
     "tabtab": "https://git.1-hub.cnIcenium/node-tabtab/tarball/master",
     "temp": "0.8.3",
-    "utf-8-validate": "https://git.1-hub.cntelerik/utf-8-validate/tarball/v1.0.1.4",
+    "utf-8-validate": "https://git.1-hub.cntelerik/utf-8-validate/tarball/v1.0.1.5",
     "uuid": "3.0.1",
     "winreg": "0.0.17",
     "ws": "0.7.1",