Merge pull request #471 from agoddard/portland

re-added portland to upcoming
added Tom Leveys talk on Call Of Duty: DevOps
Added Tom Leveys talk on The DevOps Pay Rise
added Tom Levey's bio to his talks
Merge pull request #472 from stack72/master

Proposals for Tom Levey for 2013-London
added nearby hotels and lunch options to the location page
Merge pull request #473 from geekygirldawn/master

added nearby hotels and lunch options to the Portland location page
un-anonymized pdx proposals, added new proposals