add celery file for swift
Merge branch 'master' of https://github.com/buildbuild/buildbuild into feature/swift_celery

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add python keystone client file
add requirements.txt for keystone & swift
add 2 test case for keystone client
naming rule is added for swift container
add read file for swift container information
add for team name validation code
add validation code whether team name exists or not.
Merge branch 'master' of https://github.com/buildbuild/buildbuild into feature/swift_celery
add yes name for every creating project code
swift container name is added in project model
Merge pull request #64 from BOBTommy/feature/swift_celery

Team name validation code added