v2.3-beta4

+ Android: Settings->Playback: Auto Loudness Normalizer
+ GUI: basic functionality for editing file tags
+ `info -loudness`: analyze audio loudness
+ `play -norm ""`: Auto Loudness Normalizer
* .cue read: can specify range of tracks, e.g. `-tracks 1-5`
* Opus encoder: use unconstrained VBR mode; use max. complexity setting
* update libmpg123 to 1.32.10
! Android: disable insecure ALAC decoder by default (`Settings->Enable Deprecated Modules`)
! removed `info -peaks_crc` function
! removed `play -danorm` function