git.7: Mention preformatted html doc location

Signed-off-by: Jari Aalto <jari.aalto@cante.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/git.txt

@@ -29,6 +29,10 @@ in a coherent way to git enlightenment ;-).
 The COMMAND is either a name of a Git command (see below) or an alias
 as defined in the configuration file (see gitlink:git-config[1]).
 
+Formatted and hyperlinked version of the latest git
+documentation can be viewed at
+`http://www.kernel.org/pub/software/scm/git/docs/`.
+
 ifdef::stalenotes[]
 [NOTE]
 ============