Fix build with libressl
Makefile.ffmpeg: upgrade libx264 and use different mirror, vlc ftp is not accessible, fixes #2567
linuxdvb satconf: handle correctly LNB power off
config channels: improve docs (User Icon), fixes #2564
linuxdvb satconf: voltage settings cleanups, fixes #2566
mpegts network: move Idle Scan to advanced config
WebUI: Restore weekday name to Upcoming/Finished/Failed Recordings grids
WebUI: Add day of week to information dialogs in EPG and Recording grid
WebUI: Add error checking to information dialog in Recording grid
WebUI: Add CSS elements for day of week in EPG and DVR info dialogs
WEBUI JS DVR: Correct the start column width
dvb-psi: Fix LCN for UMKBW germany DVB-C