Update dependencies, switch to eslint

package.json

@@ -19,8 +19,7 @@
   ],
   "scripts": {
     "build": "bower install && gulp",
-    "jshint": "gulp jshint",
-    "jscs": "jscs gulpfile.js assets/scripts/*.js"
+    "lint": "gulp lint"
   },
   "engines": {
     "node": ">= 0.12.0",
@@ -28,31 +27,30 @@
   },
   "devDependencies": {
     "asset-builder": "^1.1.0",
-    "browser-sync": "^2.8.2",
-    "del": "^1.2.1",
+    "browser-sync": "^2.10.1",
+    "del": "^2.2.0",
     "gulp": "^3.9.0",
-    "gulp-autoprefixer": "^2.3.1",
+    "gulp-autoprefixer": "^3.1.0",
     "gulp-changed": "^1.3.0",
     "gulp-concat": "^2.6.0",
     "gulp-cssnano": "^2.1.0",
-    "gulp-flatten": "0.1.1",
-    "gulp-if": "^1.2.5",
-    "gulp-imagemin": "^2.3.0",
-    "gulp-jshint": "^1.11.2",
-    "gulp-less": "^3.0.3",
+    "gulp-eslint": "^1.1.1",
+    "gulp-flatten": "0.2.0",
+    "gulp-if": "^2.0.0",
+    "gulp-imagemin": "^2.4.0",
+    "gulp-less": "^3.0.5",
     "gulp-plumber": "^1.0.1",
     "gulp-rename": "^1.2.2",
-    "gulp-rev": "^6.0.0",
-    "gulp-sass": "^2.0.1",
-    "gulp-sourcemaps": "^1.5.2",
-    "gulp-uglify": "^1.2.0",
+    "gulp-rev": "^6.0.1",
+    "gulp-sass": "^2.1.1",
+    "gulp-sourcemaps": "^1.6.0",
+    "gulp-uglify": "^1.5.1",
     "imagemin-pngcrush": "^4.1.0",
-    "jshint-stylish": "^2.0.1",
     "lazypipe": "^1.0.1",
     "merge-stream": "^1.0.0",
-    "minimist": "^1.1.3",
-    "run-sequence": "^1.1.2",
+    "minimist": "^1.2.0",
+    "run-sequence": "^1.1.5",
     "traverse": "^0.6.6",
-    "wiredep": "^2.2.2"
+    "wiredep": "^3.0.0"
   }
 }