Don't employ the "too many replies" if the user is staff, or if they created the topic.

See: http://meta.discourse.org/t/what-is-the-point-of-limiting-new-users-to-three-replies-per-topic/11696
FIX: Support feeds with `description` as well as `content`
Add default_external_links_in_new_tab site setting
FEATURE: improve the TOP page scoring formula a bit
Minor update to ember-renderspeed
FIX: Logo needs target=_blank
FEATURE: add rss to bench
BUGFIX: profile db generator require ordering
rbtrace is an mri thing
fix typo
BUGFIX: make sure we only show topics that have a useful score in the Top page
FEATURE: mobile template for the Top page
BUGFIX: consistent archived style in the Top page mobile template
make sure we only count regular posts when calculating Top score
make sure we do not count system user's posts
Make embedded comments look nicer
Embedded: Change bottom link to last post, show deleted posts correctly.
FEATURE: add a message explaining the user why they're being redirected to the top page
remove comment glyph in mobile view to keep it consistent with other lists
BUGFIX: allow top to be the homepage
Support for scrolling to another post in the iframe; more complicated than you'd think!