Issue #125: Add status endpoint
Issue #125: Add host information to status endpoint
Issue #125: Move status URL routing to the status module
Adapt for elliptics binding > 2.24.19
Fix compatability with elliptics api
Add some options to elliptics backend configuration.

Describe options. Also add links to documentation.
Add Elliptics backend description in README.md
Move example to README.md
Add smtp_port option in config.email_exceptions
Added support for repository/json. Data parsed from the user-agent
Add smtp_secure option in config.email_exceptions
Add descriptions for new email options
Make PEP8 happy
fix swift path issues with list_directory
fix swift path issues with list_directory
Merge branch '172-fix-swift-backend' of github.com:bacongobbler/docker-registry into 172-fix-swift-backend
Merge pull request #181 from dustinlacewell/diff-worker

Fix logging for diff worker
replace only the first occurrence of the root_path

if someone pushed an image with the name 'stackbrew/registry'
and their root_path was set to '/registry', this would replace
both occurrences in the string. This fix only replaces the first
occurrence of the string, which should only be the root_path.
Merge branch '172-fix-swift-backend' of github.com:bacongobbler/docker-registry into 172-fix-swift-backend
Merge pull request #141 from mzdaniel/status

Issue #125: Add status endpoint