FIX: Only add `home` class when there is no badge
Create a cold age helper, make sure the first age column is strictly
`created_at`, add cold to the second column.
FIX: Suggested Topics had a hardcoded 5 and was ignoring the
SiteSetting
FEATURE: top is now by default in the top menu
Merge pull request #2101 from awesomerobot/master

fixing regression, adding max-height to #site-logo
PERF: Don't blur all elements on a page
fixing the remnant borders left on the header buttons