three new talks proposals for London
Merge pull request #59 from garethr/set_five_of_london_proposals

three new talks proposals for London
Merge pull request #60 from jbraeuer/master

Michael Hüttermann, Enterprise DevOps Applied.
Merge pull request #61 from jbraeuer/master

Add proposal: Romain Pelisse - DevOps with JEE.
two more proposals for London
Merge pull request #62 from garethr/batch_six_london

two more proposals for London
more london talks
Merge pull request #63 from garethr/batch_seven_london

more london talks
another london proposal
Merge pull request #64 from garethr/batch_eight_london

another london proposal
jesse's proposals for berlin
modify sponsorship packages
Merge pull request #65 from gergnz/master

Modified the sponsorship packages
Merge pull request #66 from jbraeuer/master

Add Ravi Yadav to Berlin 2013 local team.