Update submodules

M  .oh-my-zsh
M  .vim/bundle/asyncrun
M  .vim/bundle/vim-fugitive
M  .vim/bundle/vim-qf

Automatically generated:
  source: .shell/funcs:update_submodules()
  time:   Mon 14 Jan 02:55:17 GMT 2019
  host:   penguin.lw.kodo.org.uk