Update package.json to point at the older version of coffeescript (1.…

…1.2) I believe @pfiller is using.

package.json

@@ -12,7 +12,7 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "coffee-script": ">= 1.2.0",
+    "coffee-script": ">= 1.1.2",
     "uglify-js": ">= 1.2.3"
   }
 }