Update vim-plug to latest.
Add :BD / :BD! vim commands.

Deleting a buffer without closing the window:
http://vim.wikia.com/wiki/VimTip165
Misc vim plugins.
Add ansible, vagrant, virtualbox.
Add basic ubuntu ansible playbook.
Merge branch 'master' of git://github.com/cowboy/dotfiles

* 'master' of git://github.com/cowboy/dotfiles:
  Add basic ubuntu ansible playbook.
  Add ansible, vagrant, virtualbox.
  Misc vim plugins.
  Add :BD / :BD! vim commands.
  Update vim-plug to latest.