Merge branch 'master' into s3-aws

doc/bugs/Issue_fewer_S3_GET_requests/comment_1_59a6b87d01c003bf55cde4c882e1778c._comment

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+[[!comment format=mdwn
+ username="http://joeyh.name/"
+ ip="209.250.56.96"
+ subject="comment 1"
+ date="2014-10-22T21:36:27Z"
+ content="""
+The man page documents this:
+
+> To avoid contacting the remote to check if it has every
+> file when copying --to the repository, specify --fast
+
+As you've noted, this has to rely on the location tracking information being up-to-date, so if it's not it might miss copying a file to the remote that the remote doesn't currently have but used to. Otherwise, it's fine to use `copy --fast --to --remote` or `copy --not --in remote --to remote`, which is functionally identical.
+
+The check is not a GET request, it's a HEAD request, to check if the file
+is present. Does S3 have a way to combine multiple HEAD requests in a
+single http request? That seems unlikely. Maybe it is enough to reuse an
+open http connection for multiple HEADs? Anything needing a single HEAD request would not fit well into git-annex, but ways to do more caching of open http connections are being considered.
+"""]]

doc/bugs/get_from_glacier_fails_too_early/comment_8_1267236ae339d1affd46edb5cf5f4ac5._comment

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+[[!comment format=mdwn
+ username="https://www.google.com/accounts/o8/id?id=AItOawkck-Tokgfh_1Fwh6pkl69xPA_dYUgA4Tg"
+ nickname="Benjamin"
+ subject="comment 8"
+ date="2014-10-22T19:56:23Z"
+ content="""
+Thanks, deleting the cached file fixed it.
+"""]]