Merge pull request #1 from vonrosen/ari-3724

Allow flash requests to be detected.
Merge branch 'master' of github.com:vonrosen/umbra into vonrosenmaster
Enhancement to allow embedded soundcloud audio files to be detected
Disable web security in chromium so iframes on different domains can be accessed by behavior javascript.
Merge pull request #29 from nlevitt/handle-bad-message

reject (discard) bad messages
Merge remote-tracking branch 'internetarchive/master' into ari-3774
Merge branch 'ari-3774' into qa