Update relnotes.txt

Author: moodeaudio

www/relnotes.txt

@@ -26,7 +26,11 @@ Updates
 - UPD: Bump to librespot 0.8.0
 - UPD: Bump to Bluez 4.3.1
 - UPD: Bump to ashuffle 3.14.9
-- UPD: Add rtl88xxau WiFi driver (Comfast CF-912AC)
+- UPD: Add rtl88xxau WiFi driver (Comfast CF-912AC and others)
+- UPD: Add upmpdcli to restart-renderer.php
+- UPD: Add moodeutl options --reboot, --shutdown, -p (print previous moode log)
+- UPD: Add moode_prevlog.log (previous startup log) to improve debugging
+- UPD: Improve help for Squeezelite renderer in Renderer Config
 
 Bug fixes
 - FIX: Blank hotspot password after restore