toolbar preparation
color cycle
sequence
fade transition
simple slide transition
add toolbar conf in settings
additional color picker field
implement all settings setters
implement OTA lock / security
implement button
implement HSB slider option
implement ranges
implement discrete range color setter
implement discrete single color setter
do not reboot after settings set -> add reboot button
svg icons in html

BUGS
static ip disables mdns
XXX authentification for security relevant areas (/edit, /update (!!!), /list, /down, [/settings, /reset, /cleareeprom])