vimeo support revamp and bug fixes

- completely reworked vimeo module.
- added support for audio downloads from vimeo.
- added support for chop type of dash for vimeo.
- added ability to choose between progressive and dash vimeo downloads. both to api and settings on frontend.
- added support for single m3u8 playlists. will be useful for future additions and is currently used for vimeo.
- proper error is now shown if there are no matching vimeo videos found
- temporarily disabled douyin support because bytedance killed off old endpoint.
- fixed the issue related to periods in tiktok usernames. (closes #96)
- fixed error text value patching in match module.
- fixed video stream removal for audio only option, wouldn't work in some edge cases.
- minor clean up.

src/modules/stream/stream.js

@@ -17,6 +17,7 @@ export default function(res, ip, id, hmac, exp) {
             case "render":
                 streamLiveRender(streamInfo, res);
                 break;
+            case "videoM3U8":
             case "mute":
                 streamVideoOnly(streamInfo, res);
                 break;