reddit_base: Include class name in request timer key.
Add new_window preference to global js config
Add listener for may-blank, may-blank-within classes based on JS config.
Logic for js-based targeting of links
js-based targeting for user links, markdown text, moderation log
Remove now-unused portion of newwindow user pref
A little pep8ing
install-reddit: Add hacky patch to fix C* stack size issues.

Recent updates to the JVM have caused Cassandra to start failing due to
the stack size being set too low.
install-reddit: add the missing s command in the sed invocation which modifies the environment of cassandra.
POST_request_promo: skip hidden items.
PromotedLinkTraffic: better handle campaigns that end early.
terminate_campaign: Set link to finished if it has no live campaigns.
Add sort to live_promos routing rule.
Don't modify traffic dates if there is no traffic history.
PromotedLinkTraffic: convert history from generator to list.
Delete selfserve summary emails.
Make explore page settings sticky.
Check that campaign belongs to the specified link.
UserController: check item._deleted rather than item.deleted.

Comment.add_props can overwrite comment.deleted to be False even
when comment._deleted is True.
POST_promote_note: websafe new notes.