docs($cleanup) mention vulcanize, bower keywords

Author: Ray Nicholus

bower.json

@@ -14,6 +14,7 @@
     "test",
     "tests"
   ],
+    "keywords": ["web-components", "input", "file", "upload"],
   "dependencies": {
     "polymer": "Polymer/polymer#~0.3.3"
   }

file-input.html

@@ -11,9 +11,12 @@
 3. You want any sort of file validation?  Do it yourself!
 4. The API is lacking in many respects.
 
-
 Now, a new, better, evolved (and evolving) element to take its place: `<file-input>`!
 
+__Don't forget to [vulcanize](http://www.polymer-project.org/articles/concatenating-web-components.html)
+your main/parent HTML file before deploying into production.  This will ensure
+that all of your HTML imports are concatenated into one file.__
+
 @element file-input
 @status beta
 @homepage index.html