Renames multiple domain classes for consistency
JCLOUDS-299: Added copy method to Object API

- Added copy method
- Added CopyObjectException file
- Added SwiftHeaders file
- Updated the Swift error handler
- Added CreateContainerOptions.NONE and updated refs
- Added Region specific configuration for live tests
- Added support for LocationConstants.REGION
Use the OkHttp driver in Marconi to support PATCH methods
[maven-release-plugin] prepare release jclouds-labs-openstack-1.7.1-rc1
[maven-release-plugin] prepare for next development iteration
Backport of the master branch to 1.7