[chicago 2014] add remaining sponsors
Merge pull request #1280 from tolomaus/master

Added O'Reilly as Silver sponsor
Change dates on main page
TLV sponsors
Moving Warsaw, New York, and Toronto to the past events.
Ignite proposal by Luca Gibelli
Sidebar layout fix
Added Deveo to sponsors
Fix grammar mistake for TLV event
Merge pull request #1282 from stude1/master

Ignite, sidebar fix and new sponsor for Helsinki 2014
Layout fixes
Merge pull request #1283 from stude1/master

Layout fixes
Merge pull request #1281 from bridgetkromhout/master

Moving Warsaw, New York, and Toronto to the past events.
Add past events: Warsaw, New York, Toronto, Boston, Brisbane; which were held in 2014.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
Merge pull request #1284 from kwilczynski/master

Add past events: Warsaw, New York, Toronto, Boston, Brisbane; which were...
add email template
Berlin 2014: Add last sponsor.
Berlin 2014: This is the final program.
[belgium2014] adroll bronze sponsor
Merge pull request #1285 from jbraeuer/master

Berlin 2014: +1 sponsor, final program