Adds twitter account, update build deps

package.json

@@ -6,27 +6,28 @@
   "devDependencies": {
     "browser-sync": "^2.7.13",
     "connect": "^3.4.0",
-    "del": "^1.2.0",
+    "del": "^2.1.0",
     "gulp": "^3.9.0",
-    "gulp-autoprefixer": "^2.3.1",
+    "gulp-autoprefixer": "^3.1.0",
     "gulp-csso": "^1.0.0",
-    "gulp-filter": "^2.0.2",
-    "gulp-flatten": "^0.0.4",
-    "gulp-if": "^1.2.5",
+    "gulp-filter": "^3.0.1",
+    "gulp-flatten": "^0.2.0",
+    "gulp-if": "^2.0.0",
     "gulp-imagemin": "^2.3.0",
-    "gulp-jshint": "^1.11.0",
+    "gulp-jshint": "^2.0.0",
     "gulp-load-plugins": "^1.0.0-rc",
     "gulp-minify-css": "^1.2.0",
     "gulp-plumber": "~1.0.1",
-    "gulp-sass": "~2.0.3",
-    "gulp-size": "^1.2.2",
+    "gulp-sass": "~2.1.0",
+    "gulp-size": "^2.0.0",
     "gulp-uglify": "^1.2.0",
     "gulp-uncss": "^1.0.1",
-    "gulp-useref": "^1.2.0",
+    "gulp-useref": "^3.0.3",
+    "jshint": "^2.8.0",
     "jshint-stylish": "^2.0.1",
     "main-bower-files": "^2.8.2",
-    "opn": "^2.0.1",
-    "wiredep": "^2.2.2"
+    "opn": "^3.0.3",
+    "wiredep": "^3.0.0-beta"
   },
   "engines": {
     "node": ">=0.10.0"