Separate MessageHandler into MessageHandler and ClientMessageHandler
Add renderSearchResult and the corresponding model method in
LuceneLogger
Add more javadoc to LuceneLoggerWorker and ClientMessageHandler
Add SearchMessageHandler
Fix javadoc for MessageHandler
Remove isSupportedItem from MessageHandler since it's not needed
Add addItemType to SearchMessageHandler
Fix indentation in MessageHandler
Remove unused imports from MessageHandler
Move convertMessage from ClientMessageHandler to MessageHandler
Make it possible to change character set in MessageHandler
Add a constructor that sets the character set in MessageHandler