update autoprefixer-stylus to version 0.10.0 (#307)

Author: jescalan

package.json

@@ -11,7 +11,7 @@
   },
   "devDependencies": {
     "accord": "0.26.0",
-    "autoprefixer-stylus": "0.9.4",
+    "autoprefixer-stylus": "0.10.0",
     "chai": "3.5.0",
     "coffee-script": "1.10.0",
     "css-parse": "2.0.0",