[Blueprint servercloud-u-server-core] General server work for Utopic

[Patricia Gaughen]

Blueprint changed by Patricia Gaughen:

Work items changed:
  Work items:
- determine ssd caching solution: TODO
+ determine ssd caching solution (bcache is it): DONE
  add scribe (https://github.com/facebook/scribe) to universe: TODO
  add meteor to universe: TODO
  investigate support of ruby for puppet: TODO
  bcache in universe: TODO

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General server work for Utopic
https://blueprints.launchpad.net/ubuntu/+spec/servercloud-u-server-core