Only enable news servers on sparky
Make gnus-identities depend on nognus
Merge branch 'master' of github.com:russell/dotfiles

* 'master' of github.com:russell/dotfiles:
  Better handling of term
  Extracted out unimelb email check
  Added signature
  Added missing imports
  Disable github page mode
  Fixed copy break point for local files
  Use smart-mode-lines theme color setter
  Don't compile helm
  Depend on nognus