Merge pull request #125 from glitch-soc/data-column

Add data-column="..." to all columns

diff --cc app/javascript/mastodon/components/column.js
Simple merge

diff --cc app/javascript/mastodon/features/account_timeline/index.js
Simple merge

diff --cc app/javascript/mastodon/features/community_timeline/index.js
Simple merge

diff --cc app/javascript/mastodon/features/favourited_statuses/index.js
Simple merge

diff --cc app/javascript/mastodon/features/getting_started/index.js
Simple merge

diff --cc app/javascript/mastodon/features/hashtag_timeline/index.js
Simple merge

diff --cc app/javascript/mastodon/features/notifications/index.js
Simple merge

diff --cc app/javascript/mastodon/features/public_timeline/index.js
Simple merge

diff --cc app/javascript/mastodon/features/ui/components/column.js
Simple merge