user friendly error pages for codes 404, 403 and 500

adds getter for the database facade to the abstract servlet

adds DatabaseFacade

language selector completed

changed logger implementation to log4j2

adds dynamic fragments to LightPIT request handling framework + basic language recognition code

implements ResponseTypes

implements simple request mapper

(0) -10 -8 +8 +10 +30 +100 +300 tip

mercurial