*) refacored BlacklistCleaner_p.java for better readability
*) moved check of validity of patterns to the Balcklist implementation since patterns might be valid in one implementation, but not in another
*) added method to check validity to Blacklist interface
*) fixed some minor issues like typos or wrong whitespaces
*) set subversion properties for a whole bunch of files
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6359 6c8d7289-2bf4-0310-a012-ef5d649a1542
