add sponsors for Chicago
[chicago 2014] move some of the ignites around and remove Doug for now
Add gigaspaces to the NYC sponsor images
Merge pull request #1235 from pcn/add-nyc-gigaspaces-logo

Add gigaspaces to the NYC sponsor images
Adding the ruxit logo.

WRT my prior commits experiment with the extra "gold sponsor" h1, it
appears that the duplication is generated external to _sponsors.txt so
I'm removing the local h1.
Merge pull request #1236 from pcn/add-nyc-ruxit-logo

Adding the ruxit logo.
Merge pull request #1237 from jbraeuer/master

Berlin 2014: Some improvements.
[chicago 2014] show the program link on the home page
[chicago 2014] remove proposals from the top menu, but leave it enabled on the home page
Merge branch 'master' of github.com:jedi4ever/devopsdays-webby
Merge pull request #1238 from DevOpsDaysChicago/master

[chicago 2014] add new sponsors and add link to the program
correct grammer in proposal
update max sponsor limits for links
add Doug to list of Ignites
updated language for hotel reservations
Merge pull request #1239 from DevOpsDaysChicago/master

updates for Chicago
Berlin 2014: 2 more sponsors.
Berlin 2014: 2 more ignites.