====== video loop on boot ======
===== prerequisites =====
  * Install arch Linux http://archlinuxarm.org/platforms/armv7/broadcom/raspberry-pi-2
  * install yaourt
==== omxplayer ====
Install: yaourt -S omxplayer-git
Run command omxplayer --loop video.mp4 to run

Autostart: add new systemd unit 
https://wiki.archlinux.org/index.php/Systemd#Writing_unit_files

=== Todo ===
  * Plymouth?