wiki: Clarify permissions language.
wiki: Move space replace into normalize.
Add simple date drop down to search
Fix GET_subreddits_by_topic
Parameterize the Ads template.
Add placeholder element and styling for ad frames.
Add "get" method to LiveConfig.
Update ToC styling to match new wrapper class.
rss: Add atom:link rel="self" to RSS feeds.

This is recommended by the W3C RSS feed validator:

http://validator.w3.org/feed/docs/warning/MissingAtomSelfLink.html
rss: Don't render invalid thumbnails for built-in sprited thumbs.
Revert "queries: Move /r/all/comments to new query cache (try 3)."

This reverts commit 13497f6f0883347c6dea946822886de239f62d50.
db_manager: PEP-8 Cleanups.
db_manager: Don't try writing to slaves for rels.
Add a new listing of gilded comments.
Change CommentTree CF's key from a tuple of bigints to a tuple of longs.
/comments/gilded: Set c.profilepage = True for "in subreddit" etc.
Entity-escape error response payload JSON.

This fixes a minor self-XSS in the Wiki editor for config/stylesheet and
should protect us against similar issues happening again in the future.

Thanks to @nealpoole for the disclosure.
Set PostgreSQL application_name metadata.

This should allow us to collect more information on where lingering
transactions come from.

Note: this uses an undocumented feature of psycopg2 connection strings
to get around a limitation in the version of psycopg2 we're on. This is
resolved as of v2.4.3 of psycopg2.

http://archives.postgresql.org/psycopg/2011-11/msg00020.php
Accessibility: Add ARIA landmarks.

These are the modern equivalent of the "jump to content" link.
Accessibility: Remove meaningless alt text.

It just gets in the way of screen readers.