mitchellh/vagrant — pull request #2772 by ryansb (2014-01-06 23:12:42+00:00)
Title: Allow `vagrant (un)install plugin1 plugin2 plugin3`

The current `vagrant install` or `uninstall` only works on one plugin at a time.

This modification allows for any number >=1 plugins to be installed/uninstalled at the same time.