Option to hide network speed when there is no traffic 1/2

Change-Id: I2ad9e65b0cb1c488a596c093b75b7bceb6529960
Some translations

Change-Id: I27b3af812263a81400e6a15f9fa7d91353370704
ES translations

Change-Id: I164cb4cb1b682b51c2324e8766656fb41271b716