[WFLY-1889] The schema containing WildFly 8 specific features should be bumped to version 2.0 leaving the 1.x versions available for EAP 6
[WFLY-1889] Also split out the parsing of the modified element into it's own version specific method.
[WFLY-1696]/[WFLY-490] Add a --no-local-auth option on starting the CLI to switch off local authentication.

Also disable local authentication if a username is supplied on starting the CLI.