15.03.2013, 29363: Initial commit
07.04.2013 : 
* Updated MapDB from GitHub, version 06.04, occasional deadlock on start fixed 
* Java 1.6 compatibilty due to update of MapDB
* Metadata is loaded from database correctly
* Code refactoring, iterfaces introduces
* Stop background database operations on closing (much less errors on shutdown), needs MapDB one-line hack
* Multiple JOSM instances now store JOSM in multiple files (Mapnik, Mapnik_1, Mapnik_2, etc.) , Mapnik.lock file indicates that the file is currently used
* DAO object is a singleton now, one file per JVM will be created
* Cache directory is created if needed

21.06.2013 :
* Add optional imagerycache.randomAccessFile parameter for slower but less system-dependent storage 
(RandomAccessFile instead of memory mapped file)