4.9.6

New setting: treat first level of folders as a group of artists
New setting: make automatic renaming of duplicate songs optional
New setting: auto play on headphone insert
No internet: display last loaded version of albums lists
Persistent Notification: dismissible when not playing
Alphabetical albums: letter index when quick scrolling
Duplicate artists: combine them into a single listing when browsing all folders
Only warn users if cache location actually changed
Added GSM voice support
Fix share url in Ampache