adds jshint config to gulpfile

gulpfile.js

@@ -1,13 +1,31 @@
+require('dotenv').load();
+
 var gulp = require('gulp'),
     jshint = require('gulp-jshint'),
     mocha = require('gulp-mocha');
 
 gulp.task('lint', function() {
 
+  var lint = jshint({
+    "curly": false,
+    "eqeqeq": true,
+    "immed": true,
+    "latedef": "nofunc",
+    "newcap": false,
+    "noarg": true,
+    "sub": true,
+    "undef": false,
+    "unused": "var",
+    "boss": true,
+    "eqnull": true,
+    "node": true,
+    "-W086": true
+  });
+
   return gulp.src([
     'lib/*.js',
     'test/*.js'
-  ]).pipe(jshint())
+  ]).pipe(lint)
   .pipe(jshint.reporter('jshint-stylish'));
 
 });