Fix indentation in LuceneLoggerWorker
Remove ZFrame from MessageHandler
LuceneLoggerWorker is reponsible for initializing and closing lucene
Add NOTE in protocol.txt
Lighten the background color of search tools
Make message types more visible in LuceneStorageFormat.txt
The first functional version of SearchMessageHandler
Increase readability of LuceneStorageFormat.txt
protocol.txt : easier to read & define LuceneLoggerWorker Command reply
LuceneLoggerWorker : Construct a nick query for a search