LogDog Web: Use "div" instead of table view.
LogDog Web: Use "div" instead of table view.

Was advised to use divs instead of tables for faster layout. Update
logic to emit a div structure instead of a table.

This also fixes word wrapping.

BUG=chromium:637258
TEST=local
R=hinoka@chromium.org, sergiyb@chromium.org

Review-Url: https://codereview.chromium.org/2327983003

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go