modified:   CPDanWindow.cpp
	modified:   CPDanWindow.h
	modified:   CPDanWindow.ui
	modified:   DatabaseSelector.cpp
	modified:   DatabaseSelector.h
	modified:   DatabaseSelector.ui
	modified:   cpdan.pro
	new file:   dbmanager.cpp
	new file:   dbmanager.h
	new file:   doc/er.dia