readme tweak
readme tweak

fepblaster/Photon_Relay,pinkman1492/RF24,spark/uber-library-example,alex254/ethernet,mumblepins/relay-lib,luckygodswill/Photon,blakejakopovic/firmata-spark,dmautomac/MOD_TCP,dmautomac/MOD_TCP,mawildoer/encoder,pinkman1492/RF24,spark/uber-library-example,alex254/ethernet,fepblaster/relay,dcabanis/vl6180x_lib,vbelfoure/uber-library-example,vbelfoure/uber-library-example,luckygodswill/Photon