Update dependencies

Author: rtfpessoa

package.json

@@ -50,19 +50,19 @@
   "main": "./src/main.js",
   "dependencies": {
     "copy-paste": "^1.3.0",
-    "diff2html": "^2.0.6",
+    "diff2html": "^2.0.8",
     "extend": "^3.0.0",
-    "open": "0.0.5",
-    "request": "^2.74.0",
-    "yargs": "^5.0.0"
+    "open": "^0.0.5",
+    "request": "^2.75.0",
+    "yargs": "^6.1.1"
   },
   "devDependencies": {
     "codacy-coverage": "^2.0.0",
-    "eslint": "^3.5.0",
-    "eslint-plugin-promise": "^2.0.1",
-    "eslint-plugin-standard": "^2.0.0",
+    "eslint": "^3.8.0",
+    "eslint-plugin-promise": "^3.0.0",
+    "eslint-plugin-standard": "^2.0.1",
     "istanbul": "^0.4.5",
-    "mocha": "^3.0.2"
+    "mocha": "^3.1.2"
   },
   "license": "MIT",
   "files": [