Remove the 'unique_values' protected property since it can dramatically changes the behaviour of a SwatOptionControl subclasses. The unique_values property was not used anywhere. Also, clean up lots of documentation.
Remove the 'unique_values' protected property since it can dramatically changes the behaviour of a SwatOptionControl subclasses. The unique_values property was not used anywhere. Also, clean up lots of documentation.

svn commit r18199

silverorange/swat,silverorange/swat