Default admin username changed

Check ID	APP_0006
Category	Security
Summary	The default admin username in Mendix is 'MxAdmin'. This should always be changed to a username that is not easy to guess. Using the default username makes it easier for hackers to break into your app.
Options	This check does not have any options.
Pass	The default admin username is not 'MxAdmin'.
Fail	The default admin username is 'MxAdmin'.