def image_tag_avatar(size: nil, css_class: nil, alt: "Avatar", title: nil)
      width, height = parse_size(size: size) if size

      helpers.tag.img(src: avatar_url, class: css_class, alt: alt,
                      title: title, width: width, height: height,
                      data: { behavior: "tooltip-on-hover" })
    end
def image_tag_avatar(size: nil, css_class: nil, alt: "Avatar", title: nil)
      width, height = parse_size(size: size) if size

      helpers.tag.img(src: avatar_url, class: css_class, alt: alt,
                      title: title, width: width, height: height,
                      data: { behavior: "tooltip-on-hover" })
    end
Creates an image tag for the persons avatar

 @param size: nil [String]
 @param css_class: nil [String]
 @param alt: "Avatar" [String]
 @param title: nil [String]

 @return [String]  An HTML image tag