Helsinki: Clean-up program

Add registration, change "Opening Open Space" -> "Open Space kick-off",
clean-up styles.
Merge pull request #1357 from jyrkiput/program-cleanup

Helsinki: Clean-up program
Vancouver 2014: Update proposals
Vancouver 2014: Add 'Program' page
Vancouver 2014: Update Register page with info on what's included
Vancouver 2014: Update Team Bio with Martin's new job
Vancouver 2014: Add new logo to homepage
Vancouver 2014: Add sponsor logos, info
Vancouver 2014: Add location info to homepage