Opscode sponsorship
Sponsor logos size
move Demonware from "Gold" sponsor to "Evening"
Vancouver-2013: add silver sponsor Polyglot Conference
Vancouver-2013: Add call for proposals end date
Merge pull request #435 from philwhln/master

Vancouver-2013: Update to sponsors.
Added a stackato logo from activestate.

Changed a couple of "ww" to "www" in links.  It seems like it works
either way for 2u, but not for activestate and saltstack.
Merge pull request #436 from pcn/master

Added a stackato logo from activestate.
New sponsor for TLV
Merge branch 'master' of https://github.com/jedi4ever/devopsdays-webby
Added sponsors strsistemas and Telefonica
Added new-sponsors
Merge pull request #437 from rhoml/rhoml/added-sponsors

Added new-sponsors
Removed titles not needed
Merge pull request #438 from rhoml/rhoml/added-sponsors

Removed titles not needed
remove Gold sponsor paypal for NYC2013
added librato & salesforce NYC 2013 sponsor
added yahoo! JP logo to sponsor slot
Merge pull request #439 from DevOpsDaysTokyo/master

added yahoo! JP logo to sponsor slot
Added sportsnavi as Bronze sponsor