Sync with 1.8.4.4

Documentation/RelNotes/1.8.4.4.txt

+Git v1.8.4.4 Release Notes
+========================
+
+Fixes since v1.8.4.3
+--------------------
+
+ * The fix in v1.8.4.3 to the pack transfer protocol to propagate
+   the target of symbolic refs broke "git clone/git fetch" from a
+   repository with too many symbolic refs. As a hotfix/workaround,
+   we transfer only the information on HEAD.

Documentation/git.txt

@@ -43,9 +43,10 @@ unreleased) version of Git, that is available from 'master'
 branch of the `git.git` repository.
 Documentation for older releases are available here:
 
-* link:v1.8.4.3/git.html[documentation for release 1.8.4.3]
+* link:v1.8.4.4/git.html[documentation for release 1.8.4.4]
 
 * release notes for
+  link:RelNotes/1.8.4.4.txt[1.8.4.4],
   link:RelNotes/1.8.4.3.txt[1.8.4.3],
   link:RelNotes/1.8.4.2.txt[1.8.4.2],
   link:RelNotes/1.8.4.1.txt[1.8.4.1],