restructuring
restructuring add Subprojects
restucturing new subprojects
restructuring classpath
added missing libraries #43
#44 configured JPA and Derby database
merged conflicts
#47 new class DerbyDB with real database backend
fixed gitignore & added missing file
update gitignore
#46 Entitaeten implementiert.
Problem: startnummer bei listeneintrag und laufzeit konnte nicht
entfernt werden, da die konstruktoren der DTOs die startnummer
benötigen.
Merge branch 'database' of https://github.com/Tim1/SW-Architektur.git into database
removed startnummer from listeneintrag
Database init, logging & Co
Db init
more DBInit
Merge branch 'database' of https://github.com/Tim1/SW-Architektur into database
addes javadoc for JPA
started new branch
Take this commit! implementet JPA (Entities & transaction)  #46 #48