revisions to mysql root password cfg docs as per review by tparnell, and also various spelling fixes
revisions to mysql root password cfg docs as per review by tparnell, and also various spelling fixes

healthreveal/CONNECT,beiyuxinke/CONNECT,beiyuxinke/CONNECT,healthreveal/CONNECT,sailajaa/CONNECT,healthreveal/CONNECT,healthreveal/CONNECT,healthreveal/CONNECT,beiyuxinke/CONNECT,sailajaa/CONNECT,sailajaa/CONNECT,beiyuxinke/CONNECT,beiyuxinke/CONNECT