Update docs

[danarrib]

• [x] Add Wiring instructions for the new T-PCIE + SIM7600 Board.
• [x] Update Setup Modem Wiki page, it's obsolete.
• [ ] Add new log feature instructions on User Interface Wiki Page.

[danarrib]

Instructions for Mozilla Firefox users:

• Go to about:config
• set network.http.spdy.websockets to false