Change the schedule after the annulation of Erlang

Remove space in the file name
Merge pull request #19 from iPomme/master

Change the schedule after the annulation of Erlang and Labs for Lambda in Java 8
Merge pull request #20 from renajohn/master

Remove one speaker and update talk speaker list accordingly
add sonarsource abstract
add sonarsource abstract english
1) Add session hash tag and 2) Add AvailableOnAppStore icon.
Add hotels
Added Atif Aziz' bio & details
Merge pull request #21 from vcaraulean/atif-aziz-bio

Added Atif Aziz' bio & details
add Octo description
Add english description of Octo
remove session tag : too much dispersion for event visibilty on twitter
Modified session's template to show 'page.schedule' property
Update 2013-10-24-5-Integrer-Twitter-dans-une-application-iOS.md

Change Description of the talk following feedback from speaker
Delete 2013-10-24-2-Navigateur-web-next-runtime-machine.md

Remove talk after speaker cancellation
Delete 2013-10-24-gilles-doge.md

Remove speaker after speaker cancellation
Create 2013-10-24-nicolas-marfurt.md
Update 2013-10-24-3-Backend-web-productivite-de-developpement.md
Added schedule to every session
Session's page schedule contains also the date when this session takes place