Merge pull request #1330 from tolomaus/master

Added IBM as Pearl sponsor
Helsinki: Remove proposal deadline

It's gone allready.
Helsinki: add new proposal

This has been proposed as ignite or talk.
Select few more talks
Merge pull request #1331 from jyrkiput/updates-from-meeting

Updates from meeting
Vancouver 2014: Add proposal summaries to Propose page
Vancouver 2014: Add notice and redirect link to 2013 site
Merge pull request #1332 from mrtns/master

Vancouver 2014 updates
Vancouver 2014: Add missing speaker info to Propose page
Vancouver 2014: Add Jennifer David presentation to Propose page
Merge pull request #1333 from mrtns/master

Vancouver 2014 updates
Helsinki: Multiple new proposals
Helsinki: A new sponsor

XebiaLabs added.
Merge pull request #1334 from jyrkiput/updates

New proposals and a sponsor
Berlin: waitlisting
Merge pull request #1335 from jbraeuer/master

Berlin: waitlisting
add session instructions for flapjack hands on
Merge pull request #1336 from bs-github/master

add session instructions for flapjack hands on in Berlin
Add new sponsor

A new media sponsor.
Merge pull request #1337 from jyrkiput/sponsor-infocrea

Add new sponsor