Update submodules

M  .oh-my-zsh
M  .vim/bundle/vim-gnupg
M  .vim/bundle/vim-mustache-handlebars

Automatically generated:
  source: .shell/funcs:update_submodules()
  time:   Thu 29 Nov 12:08:33 GMT 2018
  host:   BTH-tower01.actual-experience.com