Merge pull request #4099 from moncho/master

Plugin now uses completion script from docker-compose repo.

plugins/docker-compose/README.md

 # Docker-compose plugin for oh my zsh
+
+A copy of the completion script from the [docker-compose](1) git repo.
+
+[1]:[https://github.com/docker/compose/blob/master/contrib/completion/zsh/_docker-compose]

plugins/docker-compose/docker-compose.plugin.zsh

-# Authors:
-# https://github.com/tristola
-#
-# Docker-compose related zsh aliases
-
-# Aliases ###################################################################
-
-alias dcup='docker-compose up'
-alias dcb='docker-compose build'
-alias dcrm='docker-compose rm'
-alias dcps='docker-compose ps'
-alias dcstop='docker-compose stop'
-alias dcrestart='docker-compose restart'
-