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
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
Merge pull request #474 from agoddard/portland

un-anonymized pdx proposals, added new proposals
un-anonymizing
Merge pull request #475 from agoddard/portland

un-anonymizing
open registration
Merge pull request #476 from agoddard/portland

open registration
added location link from front page
Merge pull request #477 from agoddard/portland

added location link from front page
Vancouver-2013: Added two talks

Kyle Young and Rob Miller
Vancouver-2013: Add talk by Roland Stens
Vancouver-2013: Talk by Eduardo Saito
Vancouver-2013: Two talks from CA Technologies
Added vmeare & puppetlabs for DoD tokyo sponsor
moved sportsnavi to the last postion of Bronze area
changes for atlanta 2013