message: Be defensive about user profile descriptions
diff: @@ -14,6 +14,6 @@ meta(name="twitter:url", content="https://www.are.na/#{author.get('slug')}")
  meta(property="og:title" content="Are.na / #{author.get('username')}")
  meta(property="og:url" content="https://www.are.na/#{author.get('slug')}")
  -- description = (author.has('metadata') && author.get('metadata').description.replace(/(?:\r\n|\r|\n)/g, ' ')) || "Are.na is a social platform for creative and collaborative research."
  +- description = (author.has('metadata') && author.get('metadata').description && author.get('metadata').description.replace(/(?:\r\n|\r|\n)/g, ' ')) || "Are.na is a social platform for creative and collaborative research."
  meta(name="twitter:description", content=description)
  meta(property="og:description" content=description)
  \ No newline at end of file
  