Update .htaccess to make sure that ErrorDocument is not used, should be OK now that Apache 2.4.15+ is more common
check-in: 37de0d1d23 user: bohwaz tags: trunk, stable
Implement custom admin CSS file, change config files logic so that if config key is null, then file is not loaded
check-in: 4f47920080 user: bohwaz tags: trunk, stable, 1.1.4