Fix unprotected networks  and WEP bug

Fixed bug preventing to connect to unprotected network and WEP
Additional fix for Wlan power management

Additional fix for Wlan power management
Network Settings Page reworked
Update net-config.php
Added Social Sharing Feature on Playback
Change Name according to Now Playing

Change Name according to Now Playing
Added Nice Startup Sound
Update sources.html
Incremental updates system

- Remove binary DB file from GIT versioning
- Add DB dump as init sql script
- Add .db in .gitignore
- Auto-run updates through update.py

Update init-db after rebase master

Add minidlna setting

Fix bug update script when running SQL script

Separate modules updates in dedicated file

+ small refactor in update.py
New panel: library

Aiming to display library by Genre/artist/album

Load and display library (WIP)

[WIP] manage library filters

Also change "browse" icon

Lib filtering artist/album/genre

Allow browsing by genre/artist/album

[WIP] library: sort lists, play/enqueue buttons

Fix overlapping divs

With z-index rather than margin, to avoid horizontal scrollbar appears

Library: play, enqueue, play all, enqueue all

Had to hack around when sending MPD commands, due to MPD server apparently not understanding many commands closely sent

Fix closing div unexpected

Library perfs #1

- Don't display all songs by default in library
- Display a button instead to force display all songs

prepare enable/disable library setting

- SQL to insert setting
- Some CSS+JS for enabling/disabling lib
- Reading/writing the setting from DB