Upload testing

[nbumbarger]

@jflasher, would you mind adding a permissive CORS policy to the upload bucket, to help me finish testing? I spoke with @danielfdsilva and gathered that it shouldn't be much of a security problem in light of the signed URLs.

[jflasher]

Following policy is now on the bucket.

<CORSConfiguration>
    <CORSRule>
        <AllowedOrigin>*</AllowedOrigin>
        <AllowedMethod>PUT</AllowedMethod>
        <MaxAgeSeconds>3000</MaxAgeSeconds>
        <AllowedHeader>*</AllowedHeader>
    </CORSRule>
</CORSConfiguration>

[nbumbarger]

Thanks, @jflasher!