~/.config/awesome/rc.lua: Wider borders, make terminals fill the screen.

Ah, that's *much* better!

.config/awesome/rc.lua

awful.rules.rules = {
    -- All clients will match this rule.
    { rule = { },
      properties = { border_width = beautiful.border_width,
      properties = { border_width = 3,--beautiful.border_width,
                     border_color = beautiful.border_normal,
                     focus = true,
                     keys = clientkeys,
        end
    end)
    c.size_hints_honor = false
    if not startup then
        -- Set the windows at the slave,
        -- i.e. put it at the end of others instead of setting it master.