Updated Swagger version identifier to 2.0.3 (latest Swagger update)
Updated Swagger version identifier to 2.0.3 (latest Swagger update)

TronEnergy/OpenESPI-GreenButton-API-Documentation,TronEnergy/OpenESPI-GreenButton-API-Documentation,energyos/OpenESPI-GreenButton-API-Documentation,energyos/OpenESPI-GreenButton-API-Documentation