Merge pull request #2 from tserong/master

Here's some more...
Ceph tutorial: include Tim's artwork
Add OpenStack miniconf talk
Slightly reduce the "gigantic" font to fit 1024x768 resolutions
Fix radosgw visual to use vector Ceph logos
Fix drawing size for Cinder visual
Fix punctuation error
Add contact info
Remove empty storage debate directory
Add lobby svgs
Merge remote-tracking branch 'upstream/master'