docs(installing_deis): import AWS provisioning docs
docs(installing_deis): refer to contrib/ec2
docs(README): add badge pointing to latest docs
style(README): change two badges' colors to match Deis logo
Merge pull request #2334 from bacongobbler/import-aws-docs

docs(installing_deis): import AWS provisioning documentation
Merge pull request #2337 from mboersma/add-docs-badge

docs(README): add badge pointing to latest docs