optional custom value for category slug (create and update)
remove commented-out code
Merge pull request #3021 from jmay/custom-category-slug

optional custom value for category slug (create and update)
FIX: hide emoji toolbar button when emoji are disabled
Added eu-central-1 S3 bucket.
FEATURE: :candy: cool transition when expanding lightbox
Merge pull request #3057 from jaanus/s3-frankfurt-bucket

Add eu-central-1 to list of S3 buckets.
FIX: use prefixes for CSS transform
FIX: Clicking on pin/unpin would refresh the page
FEATURE: add more details in user posts archive
FIX: today visits not shown
Merge pull request #3067 from techAPJ/patch-3

FEATURE: add more details in user posts archive
FIX: Some query params were showing up as `undefined`
Bump onebox to latest version.
FIX: deleted topics were failing user posts archive download
Merge pull request #3069 from techAPJ/patch-3

FIX: deleted topics were failing user posts archive download
As an optimization, don't return suspended users in the query that
determines who to send digests to.
Merge pull request #3065 from fantasticfears/fix-visits-report

FIX: today visits not shown
FIX: site setting search
FIX: Markdown bug when a heading preceeded a code block.