Van13: update OpsWorks talk abstract
Added modifications
Added almost all talks
Added closing talk
added mongo db logo NYC
Modified program, due to speakers that submitted talks and can't come to Barcelona.
Merge pull request #584 from rhoml/master

Modified Barcelona program due to speakers that are not able to come to Barcelona.
Merge pull request #583 from webframp/tim-smith

[Portland 2013] Add Tim Smith proposal
Merge pull request #575 from philwhln/master

Van13: update OpsWorks talk abstract
added Tim Dysinger proposal for PDX
Merge pull request #585 from agoddard/portland

added Tim Dysinger proposal for PDX
closed PDX CFP & removed old wording about anonymizing
closed CFP
Merge pull request #586 from agoddard/portland

Portland
Atlanta 2013: switch to embedded Lanyard schedule
modified talks
fixed Chris F proposal, PDX
Merge pull request #588 from agoddard/portland

fixed Chris F proposal, PDX
ficing schedules
Merge pull request #587 from schisamo/atlanta-2013-schedule

Atlanta 2013: switch to embedded Lanyard schedule