Bump dependencies (#20)

* Bump dependencies and target node v4 line

* Bump eslint, mocha, and validator to the latest versions

Author: tclindner

.travis.yml

@@ -10,7 +10,7 @@ sudo: false
 language: node_js
 
 node_js:
-  - "4.2"
+  - "4"
   - "5"
   - "6"
 

package.json

@@ -28,30 +28,30 @@
     "commander": "^2.9.0",
     "in-array": "^0.1.2",
     "is-plain-obj": "^1.1.0",
-    "semver": "^5.1.0",
+    "semver": "^5.3.0",
     "user-home": "^2.0.0",
-    "validator": "^5.1.0"
+    "validator": "^6.0.0"
   },
   "devDependencies": {
-    "eslint": "^3.1.1",
-    "eslint-config-tc": "^1.1.0",
-    "eslint-formatter-pretty": "^0.2.1",
+    "eslint": "^3.7.1",
+    "eslint-config-tc": "^1.2.0",
+    "eslint-formatter-pretty": "^1.0.0",
     "grunt": "^1.0.1",
     "grunt-bump": "^0.8.0",
     "grunt-contrib-clean": "^1.0.0",
     "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-watch": "^1.0.0",
     "grunt-env": "^0.4.4",
     "grunt-eslint": "^19.0.0",
-    "grunt-istanbul": "^0.7.0",
+    "grunt-istanbul": "^0.7.1",
     "grunt-istanbul-coverage": "^0.1.4",
-    "grunt-jscs": "^2.8.0",
-    "grunt-jsonlint": "^1.0.7",
-    "grunt-mocha-test": "^0.12.7",
-    "mocha": "^2.4.5",
-    "should": "^8.3.1",
-    "sinon": "^1.17.3",
-    "time-grunt": "^1.3.0"
+    "grunt-jscs": "^3.0.1",
+    "grunt-jsonlint": "^1.1.0",
+    "grunt-mocha-test": "^0.13.2",
+    "mocha": "^3.1.0",
+    "should": "^11.1.0",
+    "sinon": "^1.17.5",
+    "time-grunt": "^1.4.0"
   },
   "engines": {
     "node": ">=4.2.0",

src/cli.js

@@ -1,5 +1,4 @@
 #!/usr/bin/env node
-
 'use strict';
 
 const chalk = require('chalk');