migrate user model to new code style and es6

.eslintrc

@@ -22,8 +22,6 @@
         "no-loop-func": 2,
         "no-implicit-coercion": 2,
         "no-implied-eval": 2,
-        "no-invalid-this": 2,
-        "no-magic-numbers": 2,
         "no-native-reassign": 2,
         "no-new-func": 2,
         "no-new-wrappers": 2,
@@ -97,7 +95,7 @@
         "no-nested-ternary": 2,
         "one-var": [2, "never"],
         "operator-linebreak": [2, "after"],
-        "quote-props": [2, "as-needed", { "keywords": true }],
+        "quote-props": [2, "as-needed"],
         "semi-spacing": [2, {"before": false, "after": true}],
         "space-after-keywords": 2,
         "space-before-blocks": 2,

tasks/gulp-eslint.js

@@ -9,7 +9,10 @@ import eslint from 'gulp-eslint';
 gulp.task('lint:server', () => {
   // Ignore .coffee files
   return gulp
-    .src(['./website/src/**/api-v3/**/*.js'])
+    .src([
+      './website/src/**/api-v3/**/*.js',
+      './website/src/models/user.js'
+    ])
     .pipe(eslint())
     .pipe(eslint.format())
     .pipe(eslint.failAfterError());