Upgrade dependencies

Author: alexei

package.json

@@ -18,15 +18,15 @@
   "readmeFilename": "README.md",
   "devDependencies": {
     "benchmark": "^2.1.4",
-    "eslint": "3.17.1",
+    "eslint": "3.19.0",
     "gulp": "^3.9.1",
     "gulp-benchmark": "^1.1.1",
     "gulp-eslint": "^3.0.1",
     "gulp-header": "^1.8.8",
     "gulp-mocha": "^4.3.1",
     "gulp-rename": "^1.2.2",
     "gulp-sourcemaps": "^2.6.0",
-    "gulp-uglify": "^2.1.2",
-    "mocha": "^3.3.0"
+    "gulp-uglify": "^3.0.0",
+    "mocha": "^3.4.2"
   }
 }