Sync with 1.7.6.6

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --combined Documentation/git.txt
index 5c313e52144fded5fa83a7b11252e0024b4f2628,e6b64dbde7a748a1a6aa01412ee4c84134826d58..6803e1309f0eaf43ec483e3344e886876bacf741
--- 1/Documentation/git.txt
--- 2/Documentation/git.txt
+++ b/Documentation/git.txt
@@@ -10,8 -10,8 +10,8 @@@ SYNOPSI
  --------
  [verse]
  'git' [--version] [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path]
 -    [-p|--paginate|--no-pager] [--no-replace-objects]
 -    [--bare] [--git-dir=<path>] [--work-tree=<path>]
 +    [-p|--paginate|--no-pager] [--no-replace-objects] [--bare]
 +    [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>]
      [-c <name>=<value>]
      [--help] <command> [<args>]
  
@@@ -44,19 -44,10 +44,20 @@@ unreleased) version of git, that is ava
  branch of the `git.git` repository.
  Documentation for older releases are available here:
  
- * link:v1.7.6.5/git.html[documentation for release 1.7.6.5]
 +* link:v1.7.7.5/git.html[documentation for release 1.7.7.5]
 +
 +* release notes for
 +  link:RelNotes/1.7.7.5.txt[1.7.7.5],
 +  link:RelNotes/1.7.7.4.txt[1.7.7.4],
 +  link:RelNotes/1.7.7.3.txt[1.7.7.3],
 +  link:RelNotes/1.7.7.2.txt[1.7.7.2],
 +  link:RelNotes/1.7.7.1.txt[1.7.7.1],
 +  link:RelNotes/1.7.7.txt[1.7.7].
 +
+ * link:v1.7.6.6/git.html[documentation for release 1.7.6.6]
  
  * release notes for
+   link:RelNotes/1.7.6.6.txt[1.7.6.6],
    link:RelNotes/1.7.6.5.txt[1.7.6.5],
    link:RelNotes/1.7.6.4.txt[1.7.6.4],
    link:RelNotes/1.7.6.3.txt[1.7.6.3],
@@@ -345,11 -336,6 +346,11 @@@ help ...`
        variable (see core.worktree in linkgit:git-config[1] for a
        more detailed discussion).
  
 +--namespace=<path>::
 +      Set the git namespace.  See linkgit:gitnamespaces[7] for more
 +      details.  Equivalent to setting the `GIT_NAMESPACE` environment
 +      variable.
 +
  --bare::
        Treat the repository as a bare repository.  If GIT_DIR
        environment is not set, it is set to the current working
@@@ -613,10 -599,6 +614,10 @@@ git so take care if using Cogito etc
        This can also be controlled by the '--work-tree' command line
        option and the core.worktree configuration variable.
  
 +'GIT_NAMESPACE'::
 +      Set the git namespace; see linkgit:gitnamespaces[7] for details.
 +      The '--namespace' command-line option also sets this value.
 +
  'GIT_CEILING_DIRECTORIES'::
        This should be a colon-separated list of absolute paths.
        If set, it is a list of directories that git should not chdir