[Microkernel-devroom] Speakers can submit additional information

[Jakub Jermar]

Hi,

it turns out that our devroom's speakers can submit some additional
information (quoting an email from devroom-managers):

* what we need, for each speaker:
  * links to website, blog, tweetytweets, ...
  * a photo, not mandatory, but always nice

* what we need, for each session:
  * relevant links to website, blog, git repo, ...

Jakub