Confusing label on resource form

File Upload may be misleading, because you might want to link to a file, web page or API on the web. For datastore-like files it makes sense, but for html, pdfs, zips etc. perhaps something more generic?

Also no field is marked as required.

![eeuxlpd](https://f.cloud.github.com/assets/200230/1732341/40dac326-631c-11e3-9e28-1b9064d76b30.png)