Merge branch 'ss/pull-v-recurse-fix'

"git pull -v --recurse-submodules" attempted to pass "-v" down to
underlying "git submodule update", which did not understand the
request and barfed, which has been corrected.

* ss/pull-v-recurse-fix:
  submodule: accept -v for the update command

git-submodule.sh

@@ -244,6 +244,9 @@ cmd_update()
 		-q|--quiet)
 			quiet=1
 			;;
+		-v|--verbose)
+			quiet=0
+			;;
 		--progress)
 			progress=1
 			;;