Added a subcommand (sign_url) to generate signed urls for a list of gs:// uris using
Merge pull request #186 from fishjord/signed_urls

Added a subcommand to generate signed urls for a list of gs:// urls
Note about versioned copying; other minor mods
Replace Unix command shell-out with python calls in update command (fixes #145)
Fix so gsutil -o GSUtil:use_magicfile works
Provide help for account disabled; minor exc handling rework
Parallel upload gsutil4 compatibility, copy_helper re-refactor
Removed cp -q option, which was deprecated 3/2013
Remove LICENSE.third_party file.
Added rsync -R option documentation
Remove oauth2_plugin from gslib/third_party, add gcs-oauth2-boto-plugin submodule
Deferred openssl import to when signurl is run
Merge pull request #190 from fishjord/signurl

Deferred openssl import to when signurl is run
Fix stat wildcard listing bug
Offer suggestion to use gsutil -m when performing sequence of operations
Update gsutil to use gcs-oauth2-boto-client 1.2
Update gsutil to gcs-oauth2-boto-plugin 1.3
Bring setup.py up-to-date with boto submodule version
Temporarily remove unnecessary dependency for python 2.6 compatibility
Added gsutil cp -I doc and removed -q doc