add news item for git-annex 5.20151116

doc/news/version_5.20151116.mdwn

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+git-annex 5.20151116 released with [[!toggle text="these changes"]]
+[[!toggleable text="""
+   * Use concurrent-output library when configured with -fConcurrentOutput.
+     This allows nicely displayed messages when using the -J flag.
+   * Additional commands now support the -J flag:
+     fsck, drop, add, addurl, import
+   * import: Avoid very ugly error messages when the directory files
+     are imported to is not a directort, but perhaps an annexed file.
+   * Concurrent progress bars are now displayed when using -J with a command
+     that moves file contents around.
+   * Fix race that could result in an annexed file's symlink not being
+     created, when eg, running concurrent git-annex adds.
+   * add: Fix error recovery rollback to not move the injested file content
+     out of the annex back to the file, because other files may point to
+     that same content. Instead, copy the injected file content out to
+     recover.
+   * quvi may output utf-8 encoded data when the conifigured locale doesn't
+     support that; avoid crashing on such invalid encoding.
+   * runshell: Avoid failing when $HOME/.ssh does not exist and cannot be
+     created.
+   * Make the git-annex-standalone.deb prevent runshell from installing
+     wrappers into $HOME/.ssh
+   * Make git-annex-standalone.deb include the git-annex html documentation,
+     desktop file, and base completion file, same as the regular git-annex.deb.
+   * fsck: When fscking a dead repo, avoid incorrect "fixing location log"
+     message, and display a warning about it being dead, since it's unusual
+     to have access to a dead repo.
+   * assistant: Pass ssh-options through 3 more git pull/push calls
+     that were missed before.
+   * Added annex.pidlock and annex.pidlocktimeout configuration to support
+     filesystems where POSIX fcntl locks cannot be used.
+   * init: Automatically enable annex.pidlock when necessary."""]]