Add Cloud Foundry Summit Slideshare

New embedded presentation. OSv: Probably the Best OS
for Cloud Workloads You’ve Never Heard Of

Presentation by Roman Shaposhnik

Signed-off-by: Don Marti <dmarti@cloudius-systems.com>
Clean up layout for Resources page

Add event titles as headings

Signed-off-by: Don Marti <dmarti@cloudius-systems.com>
Merge pull request #84 from dmarti/update-resources

Update resources