%u is now optional in paths

99% of the browsers out there, for example, take the URL as a bare
argument. Support this case as it keeps ugly escapes out of the config.
Fix new / deltag breakage

- Deltag wasn't removing from strtags which caused trouble
- Newtag was doing log.info too early, which in turn was trying to open
  the graphical handler, which in turn was initing a Taglist and calling
eval_tags before the structures had been updated.