Sync with Git 2.6.6

* maint-2.6:
Git 2.6.6
Git 2.5.5
Git 2.4.11

diff --cc Documentation/git.txt
index c3da46dc6abe27d5622aea3c21d43ed947446ea8,ea256de13c8eb5884870bfbca6db8c376499b15d..754dc80b39d78e12d1a83c58570b3158d1cb521c
--- 1/Documentation/git.txt
--- 2/Documentation/git.txt
+++ b/Documentation/git.txt
@@@ -43,17 -43,10 +43,18 @@@ unreleased) version of Git, that is ava
  branch of the `git.git` repository.
  Documentation for older releases are available here:
  
- * link:v2.6.5/git.html[documentation for release 2.6.5]
 +* link:v2.7.3/git.html[documentation for release 2.7.3]
 +
 +* release notes for
 +  link:RelNotes/2.7.3.txt[2.7.3],
 +  link:RelNotes/2.7.2.txt[2.7.2],
 +  link:RelNotes/2.7.1.txt[2.7.1],
 +  link:RelNotes/2.7.0.txt[2.7].
 +
+ * link:v2.6.6/git.html[documentation for release 2.6.6]
  
  * release notes for
+   link:RelNotes/2.6.6.txt[2.6.6],
    link:RelNotes/2.6.5.txt[2.6.5],
    link:RelNotes/2.6.4.txt[2.6.4],
    link:RelNotes/2.6.3.txt[2.6.3],