Changes

Some web and xproc updates.
* src/main/web 1ec761d...0e3f975 (1):
 > Removed header 'Archivalien'
* src/main/xproc 9201375...c2cd439 (4):
 > Improved citation key sorting.
 > Fixed watermark id typo
 > Added support for normalized watermark labels.
 > Added TOC link to split stuff
 (commit: 84e854a)