Sort support

Add support for sorting local files:

1. Naturally mode: Sort by file name.
2. Auto mode: Sort by matching local file name with remote track name.
3. Manually mode: Sort by sequence specified.

Multi site support

Added support for the following sites:
Netease Cloud Music
Last.fm (no lyric)
VgmDB (no lyric)
MusicBrainz (no lyric)
iTunes Store (no lyric)

No more hanging UI

Multi-thread UI/worker threads
ID3 version specified
Performance improvement
Refactor some methods
Handle Xiami 403 Forbidden error with cookies change (instead of old verify code way)

ID3 version specified

Force to use ID3v2 2.3 (best compatibility)
Use decoded lyric

First public release

Most functions are done.