Hide settings from users + check user input

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I'd like to have an ability to hide some settings from the control panel. This will decrease a chance for users to mess up with settings, resulting in less support tickets for us :)
The candidates are setting tabs:
Mount point relaying
Master relaying
Mount Points - intro settings

Some settings values need to be checked, most important is: Mount Points / Settings / Mount Point - if mount point name contains spaces and/or lacks the "/" at the beginning, server fails to work. Users tend to input their station name in this field...
http://www.radioboss.fm - stream hosting
http://www.djsoft.net - radio automation software