rpi: We have realpath() since it's a Linux system
Refuse loading dev plugin if fa_normalize fail
glw: Allow some widget to be "externalized"

This means they can be rendered outside the GLW layout process.
Typically used for background images that are much faster rendered
and displayed with dedicated hardware planes on embedded CPUs
Fix broken save of multiopt settings in javascript

Fixes #1751
hls: Add pointer to an interesting document about buffer mamangement in HLS
Log number of CPU cores during startup
android: Detect number of CPU cores
Add libyuv revision 775
android: Build for NEON and include libyuv
android: Add SW video playback + fix various other issues

- Video rendering using Surfaces and ANativeWindow

- More work on the prop <-> JNI bridge

- Better way of restarting UI due to configuration change (screen rotation)

- Extract AV clock from audio playback
rpi: Add squashfs target that builds a squashfs image
Make it possible to set path to persistent storage (settings)
autoupgrade: Make it possible to set path to what to upgrade from command line
rpi: Rework autobuild script to build squashfs for STOS
Empty commit
rpi: Enable auto upgrade