* Fix issue with post-update not executing on some devices.
* Fix issue with hotkey autoconfig not working for all configured controllers.
* Re-add textviewer
* Update ArtBook theme.
* Apply workaround for no sound / no headphone jack switching (RG353V).
* Update ArtBook Next theme.
* Ensure the device tree is not swapped after an update.
> Note: Exiting RG353V users will need to disable and re-enable the RG353V switch, or run `device-switch RG353V` over ssh.
- System View - Added the new "Multi" view. Also added 2 additional types that enable a user to add their own custom artwork.
- Color Schemes - switch between 4 pre-built color schemes along the ability to create a custom one
- Scroll Sounds - switch between 2 different scroll sounds
- Status Bar Display - hide or display the wifi / battery indicator
- Gamelist View - Updated the "Metadata On" view to display additional metadata. Changed the existing Metadata Off view to be called "Metadata Off (Zoomed)". Added a new "Metadata Off" view that does not zoom the image.
Updated SVGs to make them cross compatible with webUI (thank you @pkegg)
Added font-size selection for 5:3 aspect ratio
Improved text color on RG351MP devices
updated customization path implementation
