Include pkgconfig for imagemagick dependencies.  Add dotfiles SSH config for Karl.
Merge branch 'master' of https://github.com/karl-wednesday/boxen

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Migrate dotfiles to submodule.
Add dot files submodule.
Set up dotfiles installation for Karl.
Merge branch 'master' of https://github.com/karl-wednesday/boxen

Conflicts:
	dotfiles
	modules/people/manifests/karl_wednesday.pp