npm didn't save as dev depend

Author: agjohnson

package.json

@@ -2,10 +2,8 @@
   "name": "sphinx_rtd_theme",
   "version": "0.2.5b2",
   "private": true,
-  "dependencies": {
-    "bower": "^1.8.4"
-  },
   "devDependencies": {
+    "bower": "^1.8.4",
     "browserify": "^13.0.0",
     "connect-livereload": "~0.6.0",
     "grunt": "~1.0.1",