Lazy import of implementation of storage depending on usage type.
Merge pull request #109 from noxiouz/lazy_import_fix

Lazy import of implementation of storage depending on usage type.
Make pep8 happy
Add more s3 storage tests improving coverage. Monkeypatch s3 service on testing.
test: add env var for DOCKER_INDEX_ENDPOINT
test: add posarg to tox config
test: remove unused import
replace boto_bucket with $S3_BUCKET env var
Merge pull request #108 from mzdaniel/testing-s3-storage

Add more s3 storage tests improving coverage. Monkeypatch s3 service on testing.
test: remove incomplete -p flag
Merge pull request #112 from proppy/better-testenv

Better test environment
Added support for privileged access through signed requests
Added rsa requirement
Merge pull request #114 from shin-/master

Added support for privileged access through signed requests
Added -p flag to README
Merge pull request #115 from jamtur01/docs_065

Added -p flag to README
some more concrete s3 examples and doc clarification of actually required config settings
Adding RHEL script for docker registry
Recommend standard library registry as the fast way to bootstrap docker-registry
Merge pull request #123 from dangra/patch-1

Recommend standard library registry as the fast way to bootstrap docker-registry