Add link to download-canceller bug.
Index sort tweak: search before sorting sticky/pinned threads.

That way we only have to sort the matched threads when searching.
Opera is being weird with notifications.
Refactor RelativeDates, and fix the last index refresh timer not being always updated.
Update archives.json

Added /s4s/
Merge pull request #1341 from pleebe/patch-1

Update archives.json
Redirection to beta foolz /s4s/ can be added since pleebe has it.
Merge pull request #1339 from ihavenoface/v3

Add hide header on scroll. Close #1138
Scroll-autohidden header stuff.