Switch to eslint, instead of JSCS and JSHint

This branch does not currently pass - the style configuration is very different.

Author: rjmunro

.eslintrc.js

@@ -0,0 +1,7 @@
+module.exports = {
+    extends: 'loris/es5',
+    root: true,
+    env: {
+        node: true
+    }
+};

package.json

@@ -7,7 +7,8 @@
   "contributors": [
     "Alexander Tarmolov <tarmolov@gmail.com> (http://tarmolov.ru/)",
     "Denis Khananein <i@zloylos.me> (http://zloy.me/)",
-    "Ikonnikov Konstantin"
+    "Ikonnikov Konstantin",
+    "Robert (Jamie) Munro <jamie@diffblue.com>"
   ],
   "keywords": [
     "git",
@@ -38,7 +39,7 @@
   "scripts": {
     "postinstall": "./bin/git-hooks --install",
     "preuninstall": "./bin/git-hooks --uninstall",
-    "test": "jscs . && jshint . && mocha --reporter spec --recursive tests",
+    "test": "eslint lib tests && mocha --reporter spec --recursive tests",
     "coverage": "istanbul cover _mocha --recursive tests"
   },
   "main": "lib/git-hooks",
@@ -49,9 +50,9 @@
   ],
   "devDependencies": {
     "chai": "4.1.2",
+    "eslint": "4.19.1",
+    "eslint-config-loris": "9.1.0",
     "istanbul": "0.4.5",
-    "jscs": "2.11.0",
-    "jshint": "2.9.5",
     "mocha": "5.1.1"
   },
   "license": "MIT"