Use new Omnibusisms in `libzmq-windows`
Use new Omnibusisms in `libzmq`
Update `opscode-pushy-client` software for Omnbius 4

We can also take this time to create a single platform-agnostic software
definition.
Update `opscode-push-jobs-client` project for Omnibus 4

We can also take this time to create a single platform-agnostic project
definition.
Update packager resources for Omnbius 4
Add push jobs client to the `README` and `.kitchen.yml`
Appbundle opscode-pushy-client
Rename `opscode-push-jobs-client` to `push-jobs-client`

The old way is a mouthful and we aren’t named opscode any longer!
Remove `embedded\bin` from MSI created PATH
Ensure component GUIDs are unique in source.wxs