Merge pull request #1238 from DevOpsDaysChicago/master

[chicago 2014] add new sponsors and add link to the program
Merge pull request #1239 from DevOpsDaysChicago/master

updates for Chicago
Berlin 2014: 2 more sponsors.
Berlin 2014: 2 more ignites.
Merge pull request #1240 from jbraeuer/master

Berlin 2014: +2 sponsors, +2 ignites
Berlin 2014: Update Appdynamics logo.
Merge pull request #1241 from jbraeuer/master

Berlin 2014: Update Appdynamics logo.
Vancouver 2014: Update Propose page
Merge pull request #1242 from mrtns/master

Vancouver 2014: Update Propose page
Vancouver 2014: Update Sponsor page
Vancouver 2014: Change Propose page title
Vancouver 2014: Update homepage copy with propose and sponsor call to actions
Merge pull request #1243 from mrtns/master

Vancouver 2014 updates
update sponsors Tel Aviv
Update Normation sponsor logo
Merge pull request #1244 from jooooooon/master

Update Normation sponsor logo
Berlin 2014: Program.
Berlin 2014: Minor fixed.
Berlin 2014: Improvements.
Fix Normation sponsor logo - I didn't realise the blue border was part of the image