Assets for Chef DK MSI.
Pick the latest of omnibus-ruby & omnibus-software.
Merge pull request #156 from opscode/sersut/chefdk-assets

Assets for Chef DK msi.
updating bitmap images to include Gotham Font to make all logos have some kind of unity.
Merge pull request #157 from opscode/jo/chefdk-images

updating bitmap images to include Gotham Font to make all logos have som...
Remove omnibus.rb.chef since we don't need seperate dmg building settings for chef-client anymore.
Update chef-* project definitions to make use of new build_version DSL.
Pick up omnibus-software and omnibus-ruby changes for build_version DSL.