Merge pull request #18 from kencochrane/master

Added fix for checking tokens for SOURCE repos
Removed blank lines to be consistent with the rest
Stripped line (flake8 complained)
Added decorator to encode repository names
Merged encode_repository_name and parse_repository_name helpers
Fixed return code for Index /images route
Standalone mode is now the default
Documented the example configuration file
Upstart file for Ubuntu and others
Merge pull request #19 from ekarlso/master

A little conf file for upstart.
Implemented version signature (header)
Fixed pep8 indent
Merge branch 'master' of github.com:dotcloud/docker-registry
Added another endpoint for ping
Fixed search response
Renamed test_workflow.py (functional test) to prevent auto-execution when running unittest discover
Implemented "/images/IMAGE_ID/checksum" endpoint in order to set the layer checksum at different stage of the image upload
fix update_index_images
Merge pull request #20 from ooyala/master

Fixed an issue with update_index_images
Bumped version to 0.5.2