add news item for git-annex 4.20131101

doc/news/version_4.20131101.mdwn

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+git-annex 4.20131101 released with [[!toggle text="these changes"]]
+[[!toggleable text="""
+   * The "git annex content" command is renamed to "git annex wanted".
+   * New --want-get and --want-drop options which can be used to
+     test preferred content settings.
+     For example, "git annex find --in . --want-drop"
+   * assistant: When autostarted, wait 5 seconds before running the startup
+     scan, to avoid contending with the user's desktop login process.
+   * webapp: When setting up a bare shared repository, enable non-fast-forward
+     pushes.
+   * sync: Show a hint about receive.denyNonFastForwards when a push fails.
+   * directory, webdav: Fix bug introduced in version 4.20131002 that
+     caused the chunkcount file to not be written. Work around repositories
+     without such a file, so files can still be retreived from them.
+   * assistant: Automatically repair damanged git repository, if it can
+     be done without losing data.
+   * assistant: Support repairing git remotes that are locally accessible
+     (eg, on removable drives).
+   * add: Fix reversion in 4.20130827 when adding unlocked files that have
+     not yet been committed.
+   * unannex: New, much slower, but more safe behavior: Copies files out of
+     the annex. This avoids an unannex of one file breaking other files that
+     link to the same content. Also, it means that the content
+     remains in the annex using up space until cleaned up with
+     "git annex unused".
+     (The behavior of unannex --fast has not changed; it still hard links
+     to content in the annex. --fast was not made the default because it is
+     potentially unsafe; editing such a hard linked file can unexpectedly
+     change content stored in the annex.)"""]]