rebase: pass 'editform' argument to 'cmdutil.getcommiteditor' This patch passes 'editform' argument according to the format below: EXTENSION[.COMMAND][.ROUTE] - EXTENSION: name of extension - COMMAND: name of command, if there are two or more commands in EXTENSION - ROUTE: name of route, if there are two or more routes in COMMAND In this patch: - COMMAND is omitted - 'normal' and 'collapse' are used as ROUTE