Removed unused mail sources.
Merge branch 'master' of github.com:russell/dotfiles

* 'master' of github.com:russell/dotfiles: (22 commits)
  Cleaned up formatting.
  Reload session on start.
  Added history commands.
  Added launchpad webjump.
  Moved exit hooks to a better part of the file.
  Added bindings for delete and mark-spam.
  Updated menu items.
  Cleaned up formatting.
  Added screenshot tool.
  Removed some unused commands.
  Added slime-fiveam extension.
  Some minor cleanup of quicklisp shortcut.
  Show the full group name at the bottom of the summary buffer.
  Removed some unused configuration.
  Override orgmode recipe.
  Fully qualify zsh plugins.
  Changed back to default virtualenvwrapper plugin.
  Added some more emacs like keybindings.
  Enable automatic decryption of files.
  Simple pwgen wrapper.
  ...