Get the alternate text for the image and use it
Clear previous errors before submitting
Set errors properly
Fetching alt text can be a generic input-value finder
Don't start upload if no file has been selected
Whitespace, I hate thee
Make the <form> a wrapper for everything in the window. Finally fixes the form look
Add license information and expand the description slightly
Bump the version to 4.0.16.beta
Remove dialog.html
Specify files manually, since we don't want to include the entire Rails dummy app
Future-proofing