change freewheel logo.
add knewone logo to repo
Merge branch 'master' of github.com:pragmaticly/rubyconfchina.org
simply update contents
round 1: jasl done.
remove float of schedule table
round 2 jasl done.
footer collaborates
collaborates styles
round 4 replace new map and full size venue
Revert "collaborates styles"

This reverts commit 3cc82a9094c86129928411d18f3114e628f1f19e.
Revert "footer collaborates"

This reverts commit bffb10a022d7a4a504193be91629b9f7c4b35319.
remove collabrators
round 5
round 6
Merge pull request #1 from ruby-china/2014

2014
Update config.rb
round 7
Merge remote-tracking branch 'upstream/2014'
Merge branch 'master' of github.com:ruby-china/rubyconfchina.org