Upgrade: Update liftoff and v8flags

Author: Tyler Kellen

index.js

@@ -22,7 +22,7 @@ var cli = new Liftoff({
   name: 'gulp',
   completions: completion,
   extensions: interpret.jsVariants,
-  nodeFlags: v8flags.fetch()
+  v8flags: v8flags
 });
 
 // exit with 0 or 1

package.json

@@ -29,12 +29,12 @@
     "chalk": "^0.5.0",
     "gulp-util": "^3.0.0",
     "interpret": "^0.4.1",
-    "liftoff": "^1.0.0",
+    "liftoff": "^2.0.0",
     "minimist": "^1.1.0",
     "pretty-hrtime": "^0.2.0",
     "semver": "^4.1.0",
     "tildify": "^1.0.0",
-    "v8flags": "^1.0.1"
+    "v8flags": "^2.0.2"
   },
   "devDependencies": {
     "6to5": "^2.9.4",