Consolidate command list to one.

The categorized list of commands in git(7) and the list of common
commands in "git help" output were maintained separately, which was
insane.  This consolidates them to a single command-list.txt file.

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

generate-cmdlist.sh

@@ -9,29 +9,8 @@ struct cmdname_help
 
 static struct cmdname_help common_cmds[] = {"
 
-sort <<\EOF |
-add
-bisect
-branch
-checkout
-clone
-commit
-diff
-fetch
-grep
-init
-log
-merge
-mv
-pull
-push
-rebase
-reset
-rm
-show
-status
-tag
-EOF
+sed -n -e 's/^git-\([^ 	]*\)[ 	].* common.*/\1/p' command-list.txt |
+sort |
 while read cmd
 do
      sed -n '