Merge pull request #1934 from awesomerobot/master

fixing the user column width bug on smaller browser widths
BUGIX: no draft key when creating a topic from the /top page
FIX: Broken MDTest + Fix for removing leading spaces in a code block
Don't show group title under poster, only show actual title, but link it
to the group.
clarify  _to_block_new_user settings
Fix the build
FEATURE: automatic orphan recovery
BUGFIX: improve scheduler robustness, in case redis is disconnected during operation

If sidekiq is terminated while task is running, it will be picked up and ran again
New owner on tasks to help debugging
better #stop semantics for tests
include rb_trace to help debugging any hanging specs
Merge pull request #1936 from awesomerobot/master

various css fixes
BUGFIX: rails is choking on userpage_url for System user, breaks rss
BUGFIX: another broken rss page when it includes system user
BUGFIX: mailing list mode broke regular email
FEATURE: muted categories should not be missing from drill down
FIX: Clicking the logo was not scrolling to the top
FIX: Testing environment did NOT like `Discourse.URL`
FIX: If there is an exception when parsing one email, don't stop all
work, return an error code and continue.
FIX: Incorrect doc change. Thanks @riking
Add a way to flag a topic
FEATURE: Show the posts count on the groups page. It seems a bit odd
that it uses a new AJAX call, but I wanted to keep the count separate
from the group object itself.
NEW: Add user name and title to group posts.