Cleaned up MySQL logging documentation, and added reference to ecs-hk/simple-ommysql-viewer.
Cleaned up MySQL logging documentation, and added reference to
ecs-hk/simple-ommysql-viewer.

ecs-hk/ec2-cfengine37,ecs-hk/ec2-cfengine37,ecs-hk/ec2-cfengine37,ecs-hk/ec2-cfengine37