"patman [options]" is displayed by default.
Append the rest of help messages to parser.usage
instead of replacing it.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
parser.add_option('--no-tags', action='store_false', dest='process_tags',
default=True, help="Don't process subject tags as aliaes")
-parser.usage = """patman [options]
+parser.usage += """
Create patches from commits in a branch, check them and email them as
specified by tags you place in the commits. Use -n to do a dry run first."""