2020 new year update

Now live on https://streak.club

• Updated dashboard:
  • Show active streaks sorted by most recently submitted (or joined) first
  • Show some account summary stats
  • Change how active streaks are displayed to include information relevant to your participation (submissions, streak, etc.)
• Enhance admin pages
  • Base widget for admin pages
  • Admin home page
  • Rewrite table helper
• Change how user flags are stored on user model, using a bit field
• Add the ability to suspend (ban) accounts
  • Posts, comments, community posts are hidden and username displayed as "suspended account"
  • Streaks and profile will 404
  • Admin tool to edit account flags
  • Suspended accounts can not post, comment, like, follow, etc.
• Uploading an image stores the dimensions of the image in the DB
• Ensure src attribute of whitelisted iframes is http/https link
• Update lapis-community to latest
• Update dependencies: React, jQuery, underscore, commonmark, momentjs
  • Remove sticky kit
• Minor styling updates
  • Streak unit page now mobile friendly
  • Collapse unit grid if there's a group with no submissions
  • Don't link to grid units that are empty when logged out
• Minor bug fixes & tweaks