Removes quotes from environment option
Merge pull request #709 from stevenjack/fix-gunicorn-options

Removes quotes from GUNICORN_OPTS environment option
wrong anchor in README.md
Merge pull request #714 from Nowaker/patch-1

wrong anchor in README.md
Add aliyun oss driver document.
add oss_host param.
update oss storage name in config_sample.yml
docker_registry.lib.index.db: Support empty-query searches

Avoid building queries like:

  SELECT
    repository.id AS repository_id,
    repository.name AS repository_name,
    repository.description AS repository_description
  FROM repository
  WHERE repository.name LIKE %% OR repository.description LIKE %%

When folks don't specify a query term.

Reported-by: Don Laidlaw <don@donlaidlaw.ca>
Merge pull request #720 from wking/queryless-search

docker_registry.lib.index.db: Support empty-query searches
docker_registry.lib.index.db: Close session in SQLAlchemyIndex.results
Merge pull request #723 from wking/index-db-results-close-session

docker_registry.lib.index.db: Close session in SQLAlchemyIndex.results
Merge pull request #718 from haosdent/add-oss-driver-doc

Add aliyun oss driver document.
Fixed #675: Added an ENV/Option to Configure USE_SIGV4
Fixed a typo, and included the suggestions
Rebased and added myself to AUTHORS