this should reduce IO a lot, because write caches are now actived for all databases
- added new caching class that combines a read- and write-cache.
- removed old read and write cache classes
- removed superfluous RAM index (can be replaced by kelonodroRowSet)
- addoped all current classes that used the old caching methods
- more asserts, more bugfixes
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2865 6c8d7289-2bf4-0310-a012-ef5d649a1542
(there was a buffer inside some commits before, which has
been removed and is now replaced by this new one)
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2084 6c8d7289-2bf4-0310-a012-ef5d649a1542
danielr