Added commandline notice in endpoints_checker.py
Added commandline notice in endpoints_checker.py

cedral/aws-sdk-cpp,awslabs/aws-sdk-cpp,aws/aws-sdk-cpp,cedral/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,awslabs/aws-sdk-cpp,awslabs/aws-sdk-cpp,cedral/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,cedral/aws-sdk-cpp,aws/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,aws/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,aws/aws-sdk-cpp,JoyIfBam5/aws-sdk-cpp,cedral/aws-sdk-cpp,awslabs/aws-sdk-cpp,jt70471/aws-sdk-cpp,aws/aws-sdk-cpp,jt70471/aws-sdk-cpp,jt70471/aws-sdk-cpp,jt70471/aws-sdk-cpp,jt70471/aws-sdk-cpp,cedral/aws-sdk-cpp,jt70471/aws-sdk-cpp,aws/aws-sdk-cpp