Merge pull request #1320 from roots/bumpdeps

Bump asset-builder and yargs

package.json

@@ -27,7 +27,7 @@
     "npm": ">=2.1.5"
   },
   "devDependencies": {
-    "asset-builder": "^0.3.5",
+    "asset-builder": "^0.4.1",
     "browser-sync": "^2.0.1",
     "del": "^1.1.1",
     "gulp": "^3.8.10",
@@ -52,6 +52,6 @@
     "merge-stream": "^0.1.7",
     "traverse": "^0.6.6",
     "wiredep": "^2.1.0",
-    "yargs": "^1.3.3"
+    "yargs": "^2.3.0"
   }
 }