Gsutil

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New Features
------------

- Added the ability for the cp command to continue even if there is an
error. This can be activated with the -c flag.
- Added support for specifying src args for gsutil cp on stdin (-I option)

Bug Fixes
---------

- Fixed gsutil test cp, which assumed it was run from gsutil install dir.
- Mods so we send generation subresource only when user requested
version parsing (-v option for cp and cat commands).

Other Changes
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- Updated docs about using setmeta with versioning enabled.
- Changed GCS endpoint in boto to storage.googleapis.com.

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New Features
------------

- Added a noclobber (-n) setting for the cp command. Existing objects/files
will not be overwritten when using this setting.

Bug Fixes
---------

- Fixed off-by-one error when reporting bytes transferred.

Other Changes
-------------

- Improved versioning support for the remove command.
- Improved test runner support.

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New Features
------------

- Added support for object versions.
- Added support for storage classes (including Durable Reduced Availability).

Bug Fixes
---------
- Fixed problem where cp -q prevented resumable uploads from being performed.
- Made setwebcfg and setcors tests robust wrt XML formatting variation.

Other Changes
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- Incorporated vapier mods to make version command not fail if CHECKSUM file
missing.
- Refactored gsutil such that most functionality exists in boto.
- Updated gsutil help dev instructions for how to check out source.

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Bug Fixes
---------

- Fixed resumable upload boundary condition when handling POST request
when server already has complete file, which resulted in an infinite
loop that consumed 100% of the CPU.
- Fixed one more place that outputted progress info when gsutil cp -q
specified (during streaming uploads).

Other Changes
-------------

- Updated help text for "gsutil help setmeta" and "gsutil help metadata", to
clarify and deepen parts of the documentation.

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Bug Fixes
---------

- Fixed race condition when multiple threads attempt to get an OAuth2 refresh
token concurrently.

Other Changes
-------------

- Implemented simplified syntax for setmeta command. The old syntax still
works but is now deprecated.
- Added help to gsutil cp -z option, to describe how to change where temp
files are written.

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Bug Fixes
---------

- Added info to built-in help for setmeta command, to explain the syntax
needed when running from Windows.