Update submodules

M  .vim/bundle/html5
M  .vim/bundle/nginx.vim
M  .vim/bundle/vim-dispatch
M  .vim/bundle/vim-gnupg

Automatically generated:
  source: .shell/funcs:update_submodules()
  time:   Thu Jan 25 16:55:26 UTC 2018
  host:   cluster-lon1-01