Update submodule airline 0a5b10c...2257a62
Update submodule airline 0a5b10c...2257a62

* airline 0a5b10c...2257a62 (2):
  > Merge branch 'master' of git://github.com/bling/vim-airline
  > Merge branch 'limit-branchname-to-7-chars'

blueyed/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles