GIT 1.5.6-rc3

Just a lot of small fixes, mostly documentation.

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

Author: gitster

Documentation/RelNotes-1.5.6.txt

@@ -111,6 +111,6 @@ this release, unless otherwise noted.
 
 --
 exec >/var/tmp/1
-O=v1.5.6-rc1
+O=v1.5.6-rc3
 echo O=`git describe refs/heads/master`
 git shortlog --no-merges $O..refs/heads/master ^refs/heads/maint