Added highlights for Messages. It needs the new Command /highlight (cloudchat.command.highlight) so the User can enable and configure it:

/highlight on => Turn it on
/highlight off => Turn if off
/highlight sound on => Turn the sound on
/highlight sound off => Turn the sound off
/highlight list => List all Highlight pattern
/highlight add <pattern> => Add a Pattern (can be regex)
/highlight remove <pattern> => Remove a pattern

Needs CCB 3.3.0 to play sounds !!!