Move msi building logic into omnibus-ruby as a packager.
Clean the build_iteration & handle + in the windows artifact names.
Move the msi version setting into omnibus-ruby.
Pick omnibus-ruby with msi packager support and latest omnibus-software.
Merge pull request #152 from opscode/sersut/msi-packager

Refactor msi building logic into omnibus-ruby as a packager
Update chefdk-win project to match *nix changes
Fix build issues for chefdk on win (WIP)

NB: this is pretty rough and probably breaks existing projects
(chef-client). Needs to have configurable behavior for generating batch
file wrappers for chef executables at minimum.
Pull in latest omnibus-sofware w/ win chefdk fixes
Change ruby-windows back to 1.9.3 w/ override for chefdk
Remove bundler from top-level, this was a bad attempt at a bug workaround
Remove commented bundle install code
Update omnibus-software for bundler dep fix