Merge pull request #148 from robszumski/master

fix(*): remove temporary banners
fix(cloud-providers/google-compute-engine): user-data is the right field

In some places the docs were using `cloud-config` and in others
`user-data`. Be consistent and use `cloud-config` everywhere.
Merge pull request #150 from philips/gce-use-cloud-config

fix(cloud-providers/google-compute-engine): user-data is the right field
feat(distributors/notes-for-distributors): add image download recommendations
Merge pull request #149 from philips/add-storage-download-recommendations

feat(distributors/notes-for-distributors): add image download recommendations
fix(getting-started-with-etcd): link to related etcd projects
fix(mounting-storage): remove localhost links