Convert UI to module
Monkey patch Thor Shell instead
Don't autoload UI, since it's not used by Berkshelf directly anymore
Name UI in set_ui
Remove dangling require clause
Read maintainer info from Berkshelf::Config
Fix failing spec
Also check Chef::Config
Make Berkshelf threadsafe (again)
Add specs
Merge pull request #316 from sethvargo/threadsafe

Make Berkshelf threadsafe (again)
Enable Guard notifications
Fix failing specs (I think)
Merge pull request #317 from RiotGames/enable-guard-notification

Enable Guard notifications
Merge pull request #314 from sethvargo/vagrant_ui

Convert UI to Module
Merge pull request #315 from sethvargo/skeleton_options

Read maintainer info from Berkshelf::Config