[robots] import info from older documentation

[jgvictores]

[robots] check if more info can be imported from older documentation:

• [x] https://github.com/asrob-uc3m/robotDevastation-robots/issues/29
• [x] http://asrob.uc3m.es/index.php/C%C3%B3mo_configurar_el_arranque_del_software_de_RD1_sobre_Raspbian_7
• [x] http://wiki.asrob.uc3m.es/index.php/C%C3%B3mo_instalar_el_software_de_RD2_sobre_Raspbian_7
• [ ] http://wiki.asrob.uc3m.es/index.php/Crear_SD_con_Raspbian_y_robotDevastation-robots/raspi_software_(avanzado:_de_cero)
• [ ] http://wiki.asrob.uc3m.es/index.php/RD_Network (protected)

Note: Also see thread starting at https://github.com/asrob-uc3m/rd-ambassador/issues/1#issuecomment-503223715

[jgvictores]

Updated checklist above, 3 done 2 left.