Fix: typo in assume_logged_out() call.
Clear stale semaphores periodically as a safeguard.
Import from CREST killmails.
Add "view type" page.
Add attribute page (db browser).
Add DB browser pages to the sitemap.
Add effect page.
Add group, category, market group DB browser pages.
Import localization directly from reverence. Also import traits.
Add a rudimentary type comparison page.
Override some highIsGood values for cosmetic purposes.
Compare: sort by attribute and highlight differences.
Add help page for DB browser.
Add RPN attributes to compare pages, improve help page.
Minor improvements in reverence_insert.
Search improvements.

* Search types and loadouts together.
* Auto-redirect if there is only one result.
* Add a search form in the main navigation bar.
Filter common dispatch rules by prefix.
Default characters for accounts.
Experimental: use DOM to procedurally generate XHTML.

First effort in porting the view type page.
Rework Document::element() syntax, complete type page transition.