Profile bg and header colors changeable

The text color of the header is the body's bg color
The text font is changeable again.
At db old 'textcolor' is now 'headcolor'
SUI to settings

Settings are divided in 1 column for each of the 3 categories
At settings > Display there is a live preview
At profileAppearance if no 'owner' is given, the current user is used
Register-settings header is now gradient like .orangeBg
To Do: SUI dropdown at <select>s
SUI dropdowns at settings

To write them the new function writeDropdown() is used
In <noscript>s there are also standard <select>s