rubocop cleanups
rubocop cleanups, copyright updates
updated copyright headers
rubocop cleanups
rubocop cleanups
Updated dependencies to match ChefDK, including Berkshelf 3.1.x

Spiceweasel version bump is temporary, this will probably require 2.8 when done.
Pinned the dependencies to match minimum versions in ChefDK 0.1
Rubocop cleanup on lib/spiceweasel/roles.rb