Use already populated credentials.
Merge pull request #10 from hindessm/dropbox-credentials-fix

Use already populated credentials.
Fix dropbox config node name.
Attempt to create amazon s3 node.
Merge pull request #13 from hindessm/dropbox-fix-config-name

Fix dropbox config node name.
Merge pull request #11 from hindessm/s3

Amazon s3 node
Update flickr to new oauth scheme