make internet_on() checking behave a bit
make internet_on() checking behave a bit

sammachin/AlexaPi,fcojersanchez/AlexaPi,alexa-pi/AlexaPi,sammachin/AlexaPi,renekliment/AlexaPi,fcojersanchez/AlexaPi,alexa-pi/AlexaPi,renekliment/AlexaPi