added cloudbau Silver sponsor Berlin
Merge pull request #205 from jbraeuer/master

Berlin 2013: +2 proposals.
better logo for cloudbau
Merge branch 'master' of github.com:jedi4ever/devopsdays-webby
Merge pull request #206 from jbraeuer/master

Berlin 2013: +5 proposals.
added Barry Jaspan proposal
Tim Gerla proposals DoD MV 2013
Mat Schaffer proposals
Changed talks by Kief Morris
Merge pull request #207 from awolfs/master

Different talk by Kief Morris
added dyn Silver sponsor MV 2013
update Hyatt as location for DoD MV 2013
some housekeeping in upcoming events
updated program for Austin 2013
added type of presentation to Austin talks
Berlin 2013: Merge 2 proposals into 1.