Exclude domain listings from not_in_sr routing test.

This prevents matching urls starting with /domain/something.com due to
the way our domain middleware works.
Use "invalid" name for timings of requests without a handler.
Remove unused store route.
Remove unused mappings and inline scripts.
Add noop str config parser for documentation.

This allows str config params to be specified in plugins so their param
delcarations can be comprehensive.
Move viewport tag to its own overridable template function.
Modularize wiki ToC generation.
Allow class attribute on markdown generated tags in souptest.
Add target param to wikimarkdown.
Add class to ToC <li>s.
Add scrollFixed util.
Privacy policy and user agreement viewer.
Use view class for popup login form.
Remove dead param.
Display privacy philosophy on registration form.
Make registration form labels / ui more width efficient.
Tighten up login box checkbox spacing.
Add privacy policy updated notice to footer.
Update legal footer links.
Collapse minor edits into policy page revisions.