Document additional options for git-fetch

Document --quiet/-q and --verbose/-v
Add -n as an alternate for --no-tags
Fix some whitespace issues
Signed-off-by: NAndrew Ruder <andy@aeruder.net>
Signed-off-by: NJunio C Hamano <junkio@cox.net>

Documentation/fetch-options.txt

+-q, \--quiet::
+	Pass --quiet to git-fetch-pack and silence any other internally
+	used programs.
+
+-v, \--verbose::
+	Be verbose.
+
 -a, \--append::
 	Append ref names and object names of fetched refs to the
 	existing contents of `.git/FETCH_HEAD`.  Without this
@@ -16,7 +23,7 @@
 	fetches is a descendant of `<lbranch>`.  This option
 	overrides that check.
 
-\--no-tags::
+-n, \--no-tags::
 	By default, `git-fetch` fetches tags that point at
 	objects that are downloaded from the remote repository
 	and stores them locally.  This option disables this