Start refactoring Rackspace connection class so we will be able to use a different hostname for each request (needed when acessing cdn stuff in storage drivers).
Start refactoring Rackspace connection class so we will be able to use a
different hostname for each request (needed when acessing cdn stuff in storage
drivers).


git-svn-id: 353d90d4d8d13dcb4e0402680a9155a727f61a5a@1101236 13f79535-47bb-0310-9956-ffa450edef68

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